diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6092bc4df40370dbc2a14c91aadc21c0a83ce1ce..6311e654974104495e8f77e6fa53cb1e9dee9282 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,25 +1,25 @@
 include:
-    - project: "AlekSIS/official/AlekSIS"
-      file: /ci/general.yml
-    - project: "AlekSIS/official/AlekSIS"
-      file: /ci/prepare/lock.yml
-    - project: "AlekSIS/official/AlekSIS"
-      file: /ci/test/test.yml
-    - project: "AlekSIS/official/AlekSIS"
-      file: /ci/test/lint.yml
-    - project: "AlekSIS/official/AlekSIS"
-      file: /ci/test/security.yml
-    - project: "AlekSIS/official/AlekSIS"
-      file: /ci/build/dist.yml
-    - project: "AlekSIS/official/AlekSIS"
-      file: /ci/build/docs.yml
-    - project: "AlekSIS/official/AlekSIS"
-      file: "/ci/deploy/trigger_dist.yml"
-    - project: "AlekSIS/official/AlekSIS"
-      file: "/ci/docker/image.yml"
-    - project: "AlekSIS/official/AlekSIS"
-      file: /ci/publish/pypi.yml
-    - project: "AlekSIS/official/AlekSIS"
-      file: /ci/deploy/pages.yml
-    - project: "AlekSIS/official/AlekSIS"
-      file: /ci/deploy/review.yml
+  - project: "AlekSIS/official/AlekSIS"
+    file: /ci/general.yml
+  - project: "AlekSIS/official/AlekSIS"
+    file: /ci/prepare/lock.yml
+  - project: "AlekSIS/official/AlekSIS"
+    file: /ci/test/test.yml
+  - project: "AlekSIS/official/AlekSIS"
+    file: /ci/test/lint.yml
+  - project: "AlekSIS/official/AlekSIS"
+    file: /ci/test/security.yml
+  - project: "AlekSIS/official/AlekSIS"
+    file: /ci/build/dist.yml
+  - project: "AlekSIS/official/AlekSIS"
+    file: /ci/build/docs.yml
+  - project: "AlekSIS/official/AlekSIS"
+    file: "/ci/deploy/trigger_dist.yml"
+  - project: "AlekSIS/official/AlekSIS"
+    file: "/ci/docker/image.yml"
+  - project: "AlekSIS/official/AlekSIS"
+    file: /ci/publish/pypi.yml
+  - project: "AlekSIS/official/AlekSIS"
+    file: /ci/deploy/pages.yml
+  - project: "AlekSIS/official/AlekSIS"
+    file: /ci/deploy/review.yml
diff --git a/aleksis/apps/chronos/frontend/index.js b/aleksis/apps/chronos/frontend/index.js
index 0f1d2d2915e080eaa0b4168b134ae3b2684d8341..501071992b10bfad99480b80d2810628d19b48aa 100644
--- a/aleksis/apps/chronos/frontend/index.js
+++ b/aleksis/apps/chronos/frontend/index.js
@@ -1,200 +1,197 @@
 import { hasPersonValidator } from "aleksis.core/routeValidators";
 
-export default
-  {
-    meta: {
-      inMenu: true,
-      titleKey: "chronos.menu_title",
-      icon: "mdi-school-outline",
-      validators: [
-        hasPersonValidator
-      ]
-    },
-    props: {
-      byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-    },
-    children: [
-      {
-        path: "",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.allTimetables",
-        meta: {
-          inMenu: true,
-          titleKey: "chronos.timetable.menu_title_all",
-          icon: "mdi-grid",
-          permission: "chronos.view_timetable_overview_rule",
-        },
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "timetable/my/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.myTimetable",
-        meta: {
-          inMenu: true,
-          titleKey: "chronos.timetable.menu_title_my",
-          icon: "mdi-account-outline",
-          permission: "chronos.view_my_timetable_rule",
-        },
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "timetable/my/:year/:month/:day/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.myTimetableByDate",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "timetable/:type_/:pk/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.timetable",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "timetable/:type_/:pk/:year/:week/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.timetableByWeek",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "timetable/:type_/:pk/print/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.timetablePrint",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "timetable/:type_/:pk/:regular/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.timetableRegular",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "lessons/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.lessonsDay",
-        meta: {
-          inMenu: true,
-          titleKey: "chronos.lessons.menu_title_daily",
-          icon: "mdi-calendar-outline",
-          permission: "chronos.view_lessons_day_rule",
-        },
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "lessons/:year/:month/:day/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.lessonsDayByDate",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "lessons/:id_/:week/substitution/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.editSubstitution",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "lessons/:id_/:week/substitution/delete/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.deleteSubstitution",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "substitutions/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.substitutions",
-        meta: {
-          inMenu: true,
-          titleKey: "chronos.substitutions.menu_title",
-          icon: "mdi-update",
-          permission: "chronos.view_substitutions_rule",
-        },
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "substitutions/print/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.substitutionsPrint",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "substitutions/:year/:month/:day/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.substitutionsByDate",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "substitutions/:year/:month/:day/print/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.substitutionsPrintByDate",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "supervisions/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.supervisionsDay",
-        meta: {
-          inMenu: true,
-          titleKey: "chronos.supervisions.menu_title_daily",
-          icon: "mdi-calendar-outline",
-          permission: "chronos.view_supervisions_day_rule",
-        },
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "supervisions/:year/:month/:day/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.supervisionsDayByDate",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "supervisions/:id_/:week/substitution/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.editSupervisionSubstitution",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-      {
-        path: "supervisions/:id_/:week/substitution/delete/",
-        component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
-        name: "chronos.deleteSupervisionSubstitution",
-        props: {
-          byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
-        },
-      },
-    ],
-  }
+export default {
+  meta: {
+    inMenu: true,
+    titleKey: "chronos.menu_title",
+    icon: "mdi-school-outline",
+    validators: [hasPersonValidator],
+  },
+  props: {
+    byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+  },
+  children: [
+    {
+      path: "",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.allTimetables",
+      meta: {
+        inMenu: true,
+        titleKey: "chronos.timetable.menu_title_all",
+        icon: "mdi-grid",
+        permission: "chronos.view_timetable_overview_rule",
+      },
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "timetable/my/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.myTimetable",
+      meta: {
+        inMenu: true,
+        titleKey: "chronos.timetable.menu_title_my",
+        icon: "mdi-account-outline",
+        permission: "chronos.view_my_timetable_rule",
+      },
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "timetable/my/:year/:month/:day/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.myTimetableByDate",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "timetable/:type_/:pk/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.timetable",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "timetable/:type_/:pk/:year/:week/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.timetableByWeek",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "timetable/:type_/:pk/print/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.timetablePrint",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "timetable/:type_/:pk/:regular/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.timetableRegular",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "lessons/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.lessonsDay",
+      meta: {
+        inMenu: true,
+        titleKey: "chronos.lessons.menu_title_daily",
+        icon: "mdi-calendar-outline",
+        permission: "chronos.view_lessons_day_rule",
+      },
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "lessons/:year/:month/:day/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.lessonsDayByDate",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "lessons/:id_/:week/substitution/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.editSubstitution",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "lessons/:id_/:week/substitution/delete/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.deleteSubstitution",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "substitutions/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.substitutions",
+      meta: {
+        inMenu: true,
+        titleKey: "chronos.substitutions.menu_title",
+        icon: "mdi-update",
+        permission: "chronos.view_substitutions_rule",
+      },
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "substitutions/print/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.substitutionsPrint",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "substitutions/:year/:month/:day/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.substitutionsByDate",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "substitutions/:year/:month/:day/print/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.substitutionsPrintByDate",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "supervisions/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.supervisionsDay",
+      meta: {
+        inMenu: true,
+        titleKey: "chronos.supervisions.menu_title_daily",
+        icon: "mdi-calendar-outline",
+        permission: "chronos.view_supervisions_day_rule",
+      },
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "supervisions/:year/:month/:day/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.supervisionsDayByDate",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "supervisions/:id_/:week/substitution/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.editSupervisionSubstitution",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+    {
+      path: "supervisions/:id_/:week/substitution/delete/",
+      component: () => import("aleksis.core/components/LegacyBaseTemplate.vue"),
+      name: "chronos.deleteSupervisionSubstitution",
+      props: {
+        byTheGreatnessOfTheAlmightyAleksolotlISwearIAmWorthyOfUsingTheLegacyBaseTemplate: true,
+      },
+    },
+  ],
+};
diff --git a/aleksis/apps/chronos/frontend/messages/de.json b/aleksis/apps/chronos/frontend/messages/de.json
index a5e3b2468b9d5cff876bbd222f743a4e6ed328b8..eb3592afd13a36cc3b8f9cf2e30e6ef032b60099 100644
--- a/aleksis/apps/chronos/frontend/messages/de.json
+++ b/aleksis/apps/chronos/frontend/messages/de.json
@@ -1,18 +1,18 @@
 {
-    "chronos": {
-        "menu_title": "Stundenpläne",
-        "timetable": {
-            "menu_title_all": "Alle Stundenpläne",
-            "menu_title_my": "Mein Stundenplan"
-        },
-        "lessons": {
-            "menu_title_daily": "Tagesstunden"
-        },
-        "substitutions": {
-            "menu_title": "Vertretungen"
-        },
-        "supervisions": {
-            "menu_title_daily": "Tagesvertretungen"
-        }
+  "chronos": {
+    "menu_title": "Stundenpläne",
+    "timetable": {
+      "menu_title_all": "Alle Stundenpläne",
+      "menu_title_my": "Mein Stundenplan"
+    },
+    "lessons": {
+      "menu_title_daily": "Tagesstunden"
+    },
+    "substitutions": {
+      "menu_title": "Vertretungen"
+    },
+    "supervisions": {
+      "menu_title_daily": "Tagesvertretungen"
     }
+  }
 }
diff --git a/aleksis/apps/chronos/frontend/messages/en.json b/aleksis/apps/chronos/frontend/messages/en.json
index 77ac18be8c59226f16d91b3f26283cfb97e5a6a8..d824f79087540ca0b92d4efe18e3755d562c370f 100644
--- a/aleksis/apps/chronos/frontend/messages/en.json
+++ b/aleksis/apps/chronos/frontend/messages/en.json
@@ -15,4 +15,4 @@
       "menu_title_daily": "Daily supervisions"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/aleksis/apps/chronos/frontend/messages/ru.json b/aleksis/apps/chronos/frontend/messages/ru.json
index ce6ce2d2d3ead58a9c80059bf8f7a0759943f29b..f4b44000ca30534d40b40d1142bd1fd647cda5f7 100644
--- a/aleksis/apps/chronos/frontend/messages/ru.json
+++ b/aleksis/apps/chronos/frontend/messages/ru.json
@@ -1,18 +1,18 @@
 {
-    "chronos": {
-        "timetable": {
-            "menu_title_all": "Все расписания",
-            "menu_title_my": "Моё расписание"
-        },
-        "supervisions": {
-            "menu_title_daily": "Ежедневный надзор"
-        },
-        "menu_title": "Расписания",
-        "lessons": {
-            "menu_title_daily": "Ежедневные уроки"
-        },
-        "substitutions": {
-            "menu_title": "Замены"
-        }
+  "chronos": {
+    "timetable": {
+      "menu_title_all": "Все расписания",
+      "menu_title_my": "Моё расписание"
+    },
+    "supervisions": {
+      "menu_title_daily": "Ежедневный надзор"
+    },
+    "menu_title": "Расписания",
+    "lessons": {
+      "menu_title_daily": "Ежедневные уроки"
+    },
+    "substitutions": {
+      "menu_title": "Замены"
     }
+  }
 }
diff --git a/aleksis/apps/chronos/frontend/messages/uk.json b/aleksis/apps/chronos/frontend/messages/uk.json
index e6694d09c6eeec9dfa302da1ff445733a23f48b4..591c25a0e5166e5a215bb691f60f060829b043f4 100644
--- a/aleksis/apps/chronos/frontend/messages/uk.json
+++ b/aleksis/apps/chronos/frontend/messages/uk.json
@@ -1,18 +1,18 @@
 {
-    "chronos": {
-        "menu_title": "Розклади",
-        "timetable": {
-            "menu_title_all": "Усі розклади",
-            "menu_title_my": "Мій розклад"
-        },
-        "substitutions": {
-            "menu_title": "Заміни"
-        },
-        "supervisions": {
-            "menu_title_daily": "Щоденні нагляди"
-        },
-        "lessons": {
-            "menu_title_daily": "Щоденні уроки"
-        }
+  "chronos": {
+    "menu_title": "Розклади",
+    "timetable": {
+      "menu_title_all": "Усі розклади",
+      "menu_title_my": "Мій розклад"
+    },
+    "substitutions": {
+      "menu_title": "Заміни"
+    },
+    "supervisions": {
+      "menu_title_daily": "Щоденні нагляди"
+    },
+    "lessons": {
+      "menu_title_daily": "Щоденні уроки"
     }
+  }
 }
diff --git a/aleksis/apps/chronos/static/css/chronos/timetable.css b/aleksis/apps/chronos/static/css/chronos/timetable.css
index df0286b663f0d6b10aa00ef5880d959d7f22c46c..827eb61358894ff6bf92766642e25b95266ff0a7 100644
--- a/aleksis/apps/chronos/static/css/chronos/timetable.css
+++ b/aleksis/apps/chronos/static/css/chronos/timetable.css
@@ -2,161 +2,166 @@
 /* Timetable */
 /*+++++++++++*/
 .smart-plan-badge {
-    margin: 5px 20px 5px 0;
+  margin: 5px 20px 5px 0;
 }
 
 li.active > a > .sidenav-badge {
-    background-color: whitesmoke !important;
-    color: #DA3D56 !important;
+  background-color: whitesmoke !important;
+  color: #da3d56 !important;
 }
 
-.timetable-plan .row, .timetable-plan .col {
-    display: flex;
-    padding: 0 .25rem;
+.timetable-plan .row,
+.timetable-plan .col {
+  display: flex;
+  padding: 0 0.25rem;
 }
 
 .timetable-plan .row {
-    margin-bottom: .25rem;
+  margin-bottom: 0.25rem;
 }
 
-.lesson-card, .timetable-title-card {
-    margin: 0;
-    display: flex;
-    flex-grow: 1;
-    min-height: 65px;
+.lesson-card,
+.timetable-title-card {
+  margin: 0;
+  display: flex;
+  flex-grow: 1;
+  min-height: 65px;
 }
 
 .supervision-card {
-    min-height: 35px;
+  min-height: 35px;
 }
 
 .lesson-card .card-content {
-    padding: 0;
-    text-align: center;
-    width: 100%;
-    height: 100%;
-    display: flex;
-    flex-direction: column;
+  padding: 0;
+  text-align: center;
+  width: 100%;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
 }
 
 .lesson-card .card-content > div {
-    padding: 3px;
-    flex: auto;
-    width: 100%;
-    display: flex;
-    align-items: center;
-    justify-content: center;
+  padding: 3px;
+  flex: auto;
+  width: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
 }
 
 .timetable-title-card .card-content {
-    padding: 10px;
-    text-align: center;
-    width: 100%;
+  padding: 10px;
+  text-align: center;
+  width: 100%;
 }
 
 .timetable-mobile-title-card {
-    margin-top: 50px;
-    margin-bottom: .60rem;
-    display: flex;
-    flex-grow: 1;
+  margin-top: 50px;
+  margin-bottom: 0.6rem;
+  display: flex;
+  flex-grow: 1;
 }
 
 .timetable-mobile-title-card:first-child {
-    margin-top: -10px;
-    margin-bottom: .60rem;
+  margin-top: -10px;
+  margin-bottom: 0.6rem;
 }
 
 .timetable-mobile-title-card .card-content {
-    padding: 10px;
-    text-align: center;
-    width: 100%;
+  padding: 10px;
+  text-align: center;
+  width: 100%;
 }
 
 .timetable-mobile-title-card .card-content .card-title {
-    font-weight: bold;
+  font-weight: bold;
 }
 
-table.substitutions td, table.substitutions th {
-    padding: 10px 5px;
+table.substitutions td,
+table.substitutions th {
+  padding: 10px 5px;
 }
 
 .lesson-with-sub {
-    border: 3px solid red;
-    border-radius: 3px;
+  border: 3px solid red;
+  border-radius: 3px;
 }
 
 .lesson-with-sub .badge {
-    margin: 0;
+  margin: 0;
 }
 
 .lesson-with-event {
-    border: 3px solid #9c27b0;
-    border-radius: 3px;
+  border: 3px solid #9c27b0;
+  border-radius: 3px;
 }
 
-.lesson-card a, .substitutions a {
-    color: inherit;
+.lesson-card a,
+.substitutions a {
+  color: inherit;
 }
 
 .btn-timetable-quicklaunch {
-    margin: 1%;
-    width: 30%;
+  margin: 1%;
+  width: 30%;
 }
 
-
-.print-body table.substitutions td, .print-body table.substitutions th {
-    padding: 0;
+.print-body table.substitutions td,
+.print-body table.substitutions th {
+  padding: 0;
 }
 
 .print-body span.badge.new {
-    font-size: 0.9rem;
-    line-height: 20px;
-    height: 20px;
-    margin: 2px;
-    letter-spacing: 0.3pt;
+  font-size: 0.9rem;
+  line-height: 20px;
+  height: 20px;
+  margin: 2px;
+  letter-spacing: 0.3pt;
 }
 
 .black-text-a a {
-    color: black;
+  color: black;
 }
 
 .holiday-badge {
-    float: left !important;
-    position: relative;
-    margin-left: 0 !important;
-    left: 50%;
-    transform: translate(-50%);
-    width: auto;
-    height: auto !important;
-    min-height: 26px;
-    margin-top: 5px;
+  float: left !important;
+  position: relative;
+  margin-left: 0 !important;
+  left: 50%;
+  transform: translate(-50%);
+  width: auto;
+  height: auto !important;
+  min-height: 26px;
+  margin-top: 5px;
 }
 
-.holiday-card .card-content{
-    width: 100%;
+.holiday-card .card-content {
+  width: 100%;
 }
 
 .holiday-card .holiday-badge {
-    margin-top: 0;
+  margin-top: 0;
 }
 
 @media print {
-    header {
-        width: 200mm;
-        top: 5mm;
-    }
-
-    .header-space {
-        height: 30mm;
-    }
-
-    .sheet {
-        padding: 5mm;
-    }
-
-    .print-layout-table, .print-layout-table > td {
-        width: 200mm;
-        max-width: 200mm;
-        min-width: 200mm;
-    }
+  header {
+    width: 200mm;
+    top: 5mm;
+  }
+
+  .header-space {
+    height: 30mm;
+  }
+
+  .sheet {
+    padding: 5mm;
+  }
+
+  .print-layout-table,
+  .print-layout-table > td {
+    width: 200mm;
+    max-width: 200mm;
+    min-width: 200mm;
+  }
 }
diff --git a/aleksis/apps/chronos/static/css/chronos/timetable_print.css b/aleksis/apps/chronos/static/css/chronos/timetable_print.css
index 688c009f6fd3c9a1dbee9378cab422d69defd730..343864ae919cb68ab0bb4571d1736fd87aa5a573 100644
--- a/aleksis/apps/chronos/static/css/chronos/timetable_print.css
+++ b/aleksis/apps/chronos/static/css/chronos/timetable_print.css
@@ -1,32 +1,34 @@
-.timetable-plan .row, .timetable-plan .col {
-    display: flex;
-    padding: 0rem;
+.timetable-plan .row,
+.timetable-plan .col {
+  display: flex;
+  padding: 0rem;
 }
 
 .timetable-plan .row {
-    margin-bottom: 0rem;
+  margin-bottom: 0rem;
 }
 
-.lesson-card, .timetable-title-card {
-    margin: 0;
-    display: flex;
-    flex-grow: 1;
-    min-height: 40px;
-    box-shadow: none;
-    border: 1px solid black;
-    margin-right: -1px;
-    margin-top: -1px;
-    border-radius: 0px;
-    font-size: 11px;
+.lesson-card,
+.timetable-title-card {
+  margin: 0;
+  display: flex;
+  flex-grow: 1;
+  min-height: 40px;
+  box-shadow: none;
+  border: 1px solid black;
+  margin-right: -1px;
+  margin-top: -1px;
+  border-radius: 0px;
+  font-size: 11px;
 }
 .lesson-card .card-content > div {
-    padding: 1px;
+  padding: 1px;
 }
 
 .card .card-title {
-    font-size: 18px;
+  font-size: 18px;
 }
 
 .timetable-title-card .card-content {
-    padding: 7px;
+  padding: 7px;
 }
diff --git a/aleksis/apps/chronos/static/js/chronos/date_select.js b/aleksis/apps/chronos/static/js/chronos/date_select.js
index 8acda9fb8773c95a1a704c3a0b72f004dbd2542e..04a0cf0e6623c772c007ca8f4a85e41038f0c48c 100644
--- a/aleksis/apps/chronos/static/js/chronos/date_select.js
+++ b/aleksis/apps/chronos/static/js/chronos/date_select.js
@@ -2,21 +2,20 @@ var data = getJSONScript("datepicker_data");
 var activeDate = new Date(data.date);
 
 function updateDatepicker() {
-    $("#date").val(formatDate(activeDate));
+  $("#date").val(formatDate(activeDate));
 }
 
 function loadNew() {
-    window.location.href = data.dest + formatDateForDjango(activeDate);
+  window.location.href = data.dest + formatDateForDjango(activeDate);
 }
 
 function onDateChanged() {
-    activeDate = M.Datepicker.getInstance($("#date")).date;
-    loadNew();
+  activeDate = M.Datepicker.getInstance($("#date")).date;
+  loadNew();
 }
 
-
 $(document).ready(function () {
-    $("#date").change(onDateChanged);
+  $("#date").change(onDateChanged);
 
-    updateDatepicker();
+  updateDatepicker();
 });
diff --git a/aleksis/apps/chronos/static/js/chronos/week_select.js b/aleksis/apps/chronos/static/js/chronos/week_select.js
index 4b5cb9bdbeed1f4029667bfb858d9fcef75a33ec..1854b17d284b4bcb8953a97a3e049d51821d3368 100644
--- a/aleksis/apps/chronos/static/js/chronos/week_select.js
+++ b/aleksis/apps/chronos/static/js/chronos/week_select.js
@@ -1,21 +1,21 @@
 var data = getJSONScript("week_select");
 
 function goToCalendarWeek(cw, year) {
-    window.location.href = data.dest.replace("year", year).replace("cw", cw);
+  window.location.href = data.dest.replace("year", year).replace("cw", cw);
 }
 
 function onCalendarWeekChanged(where) {
-    goToCalendarWeek($(where).val(), data.year);
+  goToCalendarWeek($(where).val(), data.year);
 }
 
 $(document).ready(function () {
-    $("#calendar-week-1").change(function () {
-        onCalendarWeekChanged("#calendar-week-1");
-    });
-    $("#calendar-week-2").change(function () {
-        onCalendarWeekChanged("#calendar-week-2");
-    });
-    $("#calendar-week-3").change(function () {
-        onCalendarWeekChanged("#calendar-week-3");
-    });
+  $("#calendar-week-1").change(function () {
+    onCalendarWeekChanged("#calendar-week-1");
+  });
+  $("#calendar-week-2").change(function () {
+    onCalendarWeekChanged("#calendar-week-2");
+  });
+  $("#calendar-week-3").change(function () {
+    onCalendarWeekChanged("#calendar-week-3");
+  });
 });
diff --git a/fixtures/highschool-de-20212022.json b/fixtures/highschool-de-20212022.json
index c70124392c34344cd0296e67104e0b244b5b1b2c..89537eb8c81ad05e25f3757aa34bf75b8c1235c7 100644
--- a/fixtures/highschool-de-20212022.json
+++ b/fixtures/highschool-de-20212022.json
@@ -1,181905 +1,168950 @@
 [
-    {
-        "model": "auth.group",
-        "pk": 8,
-        "fields": {
-            "name": "5a",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 9,
-        "fields": {
-            "name": "5b",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 10,
-        "fields": {
-            "name": "5c",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 11,
-        "fields": {
-            "name": "5d",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 12,
-        "fields": {
-            "name": "6a",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 13,
-        "fields": {
-            "name": "6b",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 14,
-        "fields": {
-            "name": "6c",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 15,
-        "fields": {
-            "name": "6d",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 16,
-        "fields": {
-            "name": "7a",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 17,
-        "fields": {
-            "name": "7b",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 18,
-        "fields": {
-            "name": "7c",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 19,
-        "fields": {
-            "name": "7d",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 20,
-        "fields": {
-            "name": "8a",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 21,
-        "fields": {
-            "name": "8b",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 22,
-        "fields": {
-            "name": "8c",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 23,
-        "fields": {
-            "name": "8d",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 24,
-        "fields": {
-            "name": "9a",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 25,
-        "fields": {
-            "name": "9b",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 26,
-        "fields": {
-            "name": "9c",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 27,
-        "fields": {
-            "name": "9d",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 28,
-        "fields": {
-            "name": "Ea",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 29,
-        "fields": {
-            "name": "Eb",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 30,
-        "fields": {
-            "name": "Ec",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 31,
-        "fields": {
-            "name": "Ed",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 32,
-        "fields": {
-            "name": "Q2a",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 33,
-        "fields": {
-            "name": "Q2b",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 34,
-        "fields": {
-            "name": "Q2c",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 35,
-        "fields": {
-            "name": "Q2d",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 36,
-        "fields": {
-            "name": "Q1a",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 37,
-        "fields": {
-            "name": "Q1b",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 38,
-        "fields": {
-            "name": "Q1c",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 39,
-        "fields": {
-            "name": "Q1d",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 40,
-        "fields": {
-            "name": "8d: Ma",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 41,
-        "fields": {
-            "name": "8b: En2",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 42,
-        "fields": {
-            "name": "8d: En1",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 43,
-        "fields": {
-            "name": "8d: De",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 44,
-        "fields": {
-            "name": "8a: La1",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 45,
-        "fields": {
-            "name": "8b: De",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 46,
-        "fields": {
-            "name": "8d: Ek",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 47,
-        "fields": {
-            "name": "8a: Ma",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 48,
-        "fields": {
-            "name": "7c: De",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 49,
-        "fields": {
-            "name": "7c: En1",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 50,
-        "fields": {
-            "name": "7c: Ma",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 51,
-        "fields": {
-            "name": "7c: Ku",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 52,
-        "fields": {
-            "name": "7a: De",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 53,
-        "fields": {
-            "name": "7a: La1",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 54,
-        "fields": {
-            "name": "7a: Ma",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 55,
-        "fields": {
-            "name": "7b: De",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 56,
-        "fields": {
-            "name": "6d: Re",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 57,
-        "fields": {
-            "name": "6d: De",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 58,
-        "fields": {
-            "name": "6d: Mu",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 59,
-        "fields": {
-            "name": "6c: Mu",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 60,
-        "fields": {
-            "name": "6c: De",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 61,
-        "fields": {
-            "name": "7d: De",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 62,
-        "fields": {
-            "name": "7d: Ku",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 63,
-        "fields": {
-            "name": "6c: En1",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 64,
-        "fields": {
-            "name": "7d: Mu",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 65,
-        "fields": {
-            "name": "7a: Ku",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 66,
-        "fields": {
-            "name": "7b: Ku",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 67,
-        "fields": {
-            "name": "8b: Bi",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 68,
-        "fields": {
-            "name": "8c: De",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 69,
-        "fields": {
-            "name": "8c: Ma",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
-        "pk": 70,
-        "fields": {
-            "name": "8c: En1",
-            "permissions": []
-        }
-    },
-    {
-        "model": "auth.group",
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