diff --git a/js/src/App.vue b/js/src/App.vue
index 38e2d4c5..b7942af3 100644
--- a/js/src/App.vue
+++ b/js/src/App.vue
@@ -1,7 +1,7 @@
 <template>
   <div id="mobilizon">
     <NavBar />
-    <main class="container">
+    <main>
       <router-view />
     </main>
     <mobilizon-footer />
diff --git a/js/src/components/Footer.vue b/js/src/components/Footer.vue
index a2df207c..f3a2b6eb 100644
--- a/js/src/components/Footer.vue
+++ b/js/src/components/Footer.vue
@@ -1,5 +1,5 @@
 <template>
-    <footer class="footer">
+    <footer class="footer" ref="footer">
         <mobilizon-logo :invert="true" class="logo" />
         <img src="../assets/footer.png" :alt="$t('World map')" />
         <ul>
diff --git a/js/src/types/event.model.ts b/js/src/types/event.model.ts
index 3aa438c8..f8173588 100644
--- a/js/src/types/event.model.ts
+++ b/js/src/types/event.model.ts
@@ -125,6 +125,8 @@ export interface IEvent {
 
   tags: ITag[];
   options: IEventOptions;
+
+  toEditJSON();
 }
 
 export interface IEventOptions {
@@ -228,7 +230,7 @@ export class EventModel implements IEvent {
     if (hash.options) this.options = hash.options;
   }
 
-  toEditJSON () {
+  toEditJSON() {
     return {
       id: this.id,
       title: this.title,
diff --git a/js/src/views/Error.vue b/js/src/views/Error.vue
index 6e850de5..1b375433 100644
--- a/js/src/views/Error.vue
+++ b/js/src/views/Error.vue
@@ -1,5 +1,5 @@
 <template>
-  <div>
+  <section class="container">
     <span v-if="code === ErrorCode.REGISTRATION_CLOSED">
       {{ $t('Registration is currently closed.') }}
     </span>
@@ -7,7 +7,7 @@
     <span v-else>
       {{ $t('Unknown error.') }}
     </span>
-  </div>
+  </section>
 </template>
 
 <script lang="ts">
diff --git a/js/src/views/Event/Edit.vue b/js/src/views/Event/Edit.vue
index fd5651c7..b98edb71 100644
--- a/js/src/views/Event/Edit.vue
+++ b/js/src/views/Event/Edit.vue
@@ -1,172 +1,194 @@
-import {EventJoinOptions} from "@/types/event.model";
 <template>
-  <section class="container">
-    <h1 class="title" v-if="isUpdate === false">
-      {{ $t('Create a new event') }}
-    </h1>
-    <h1 class="title" v-else>
-      {{ $t('Update event {name}', { name: event.title }) }}
-    </h1>
+  <section>
+    <div class="container">
+      <h1 class="title" v-if="isUpdate === false">
+        {{ $t('Create a new event') }}
+      </h1>
+      <h1 class="title" v-else>
+        {{ $t('Update event {name}', { name: event.title }) }}
+      </h1>
 
-    <div v-if="$apollo.loading">{{ $t('Loading…') }}</div>
+      <div class="columns is-centered">
+        <form class="column is-two-thirds-desktop">
+          <h2 class="subtitle">
+            {{ $t('General information') }}
+          </h2>
+          <picture-upload v-model="pictureFile" />
 
-    <div class="columns is-centered" v-else>
-      <form class="column is-two-thirds-desktop" @submit="createOrUpdate">
-        <h2 class="subtitle">
-          {{ $t('General information') }}
-        </h2>
-        <picture-upload v-model="pictureFile" />
+          <b-field :label="$t('Title')" :type="checkTitleLength[0]" :message="checkTitleLength[1]">
+            <b-input aria-required="true" required v-model="event.title" />
+          </b-field>
 
-        <b-field :label="$t('Title')" :type="checkTitleLength[0]" :message="checkTitleLength[1]">
-          <b-input aria-required="true" required v-model="event.title" />
-        </b-field>
+          <tag-input v-model="event.tags" :data="tags" path="title" />
 
-        <tag-input v-model="event.tags" :data="tags" path="title" />
+          <date-time-picker v-model="event.beginsOn" :label="$t('Starts on…')" :step="15"/>
+          <date-time-picker v-model="event.endsOn" :label="$t('Ends on…')" :step="15" />
 
-        <date-time-picker v-model="event.beginsOn" :label="$t('Starts on…')" :step="15"/>
-        <date-time-picker v-model="event.endsOn" :label="$t('Ends on…')" :step="15" />
+          <address-auto-complete v-model="event.physicalAddress" />
 
-        <address-auto-complete v-model="event.physicalAddress" />
+          <b-field :label="$t('Organizer')">
+            <identity-picker-wrapper v-model="event.organizerActor"></identity-picker-wrapper>
+          </b-field>
 
-        <b-field :label="$t('Organizer')">
-          <identity-picker-wrapper v-model="event.organizerActor"></identity-picker-wrapper>
-        </b-field>
+          <div class="field">
+            <label class="label">{{ $t('Description') }}</label>
+            <editor v-model="event.description" />
+          </div>
 
-        <div class="field">
-          <label class="label">{{ $t('Description') }}</label>
-          <editor v-model="event.description" />
-        </div>
+          <b-field :label="$t('Website / URL')">
+            <b-input v-model="event.onlineAddress" placeholder="URL" />
+          </b-field>
 
-        <b-field :label="$t('Website / URL')">
-          <b-input v-model="event.onlineAddress" placeholder="URL" />
-        </b-field>
+          <!--<b-field :label="$t('Category')">
+            <b-select placeholder="Select a category" v-model="event.category">
+              <option
+                v-for="category in categories"
+                :value="category"
+                :key="category"
+              >{{ $t(category) }}</option>
+            </b-select>
+          </b-field>-->
 
-        <!--<b-field :label="$t('Category')">
-          <b-select placeholder="Select a category" v-model="event.category">
-            <option
-              v-for="category in categories"
-              :value="category"
-              :key="category"
-            >{{ $t(category) }}</option>
-          </b-select>
-        </b-field>-->
-
-        <h2 class="subtitle">
-          {{ $t('Who can view this event and participate') }}
-        </h2>
+          <h2 class="subtitle">
+            {{ $t('Who can view this event and participate') }}
+          </h2>
+            <div class="field">
+              <b-radio v-model="event.visibility"
+                       name="eventVisibility"
+                       :native-value="EventVisibility.PUBLIC">
+                {{ $t('Visible everywhere on the web (public)') }}
+              </b-radio>
+            </div>
+            <div class="field">
+              <b-radio v-model="event.visibility"
+                       name="eventVisibility"
+                       :native-value="EventVisibility.UNLISTED">
+                {{ $t('Only accessible through link and search (private)') }}
+              </b-radio>
+            </div>
           <div class="field">
             <b-radio v-model="event.visibility"
                      name="eventVisibility"
-                     :native-value="EventVisibility.PUBLIC">
-              {{ $t('Visible everywhere on the web (public)') }}
+                     :native-value="EventVisibility.PRIVATE">
+               {{ $t('Page limited to my group (asks for auth)') }}
             </b-radio>
           </div>
+
           <div class="field">
-            <b-radio v-model="event.visibility"
-                     name="eventVisibility"
-                     :native-value="EventVisibility.UNLISTED">
-              {{ $t('Only accessible through link and search (private)') }}
+            <label class="label">{{ $t('Participation approval') }}</label>
+            <b-switch v-model="needsApproval">
+              {{ $t('I want to approve every participation request') }}
+            </b-switch>
+          </div>
+
+          <div class="field">
+            <b-switch v-model="limitedPlaces">
+              {{ $t('Limited places') }}
+            </b-switch>
+          </div>
+
+          <div class="box" v-if="limitedPlaces">
+            <b-field :label="$t('Number of places')">
+              <b-numberinput v-model="event.options.maximumAttendeeCapacity"></b-numberinput>
+            </b-field>
+
+            <b-field>
+              <b-switch v-model="event.options.showRemainingAttendeeCapacity">
+                {{ $t('Show remaining number of places') }}
+              </b-switch>
+            </b-field>
+
+            <b-field>
+              <b-switch v-model="event.options.showParticipationPrice">
+                {{ $t('Display participation price') }}
+              </b-switch>
+            </b-field>
+          </div>
+
+          <h2 class="subtitle">
+            {{ $t('Public comment moderation') }}
+          </h2>
+
+          <label>{{ $t('Comments on the event page') }}</label>
+
+          <div class="field">
+            <b-radio v-model="event.options.commentModeration"
+                     name="commentModeration"
+                     :native-value="CommentModeration.ALLOW_ALL">
+              {{ $t('Allow all comments') }}
             </b-radio>
           </div>
-        <div class="field">
-          <b-radio v-model="event.visibility"
-                   name="eventVisibility"
-                   :native-value="EventVisibility.PRIVATE">
-             {{ $t('Page limited to my group (asks for auth)') }}
-          </b-radio>
-        </div>
 
-        <div class="field">
-          <label class="label">{{ $t('Participation approval') }}</label>
-          <b-switch v-model="needsApproval">
-            {{ $t('I want to approve every participation request') }}
-          </b-switch>
-        </div>
+          <div class="field">
+            <b-radio v-model="event.options.commentModeration"
+                     name="commentModeration"
+                     :native-value="CommentModeration.MODERATED">
+              {{ $t('Moderated comments (shown after approval)') }}
+            </b-radio>
+          </div>
 
-        <div class="field">
-          <b-switch v-model="limitedPlaces">
-            {{ $t('Limited places') }}
-          </b-switch>
-        </div>
+          <div class="field">
+            <b-radio v-model="event.options.commentModeration"
+                     name="commentModeration"
+                     :native-value="CommentModeration.CLOSED">
+              {{ $t('Close comments for all (except for admins)') }}
+            </b-radio>
+          </div>
 
-        <div class="box" v-if="limitedPlaces">
-          <b-field :label="$t('Number of places')">
-            <b-numberinput v-model="event.options.maximumAttendeeCapacity"></b-numberinput>
-          </b-field>
+          <h2 class="subtitle">
+            {{ $t('Status') }}
+          </h2>
 
-          <b-field>
-            <b-switch v-model="event.options.showRemainingAttendeeCapacity">
-              {{ $t('Show remaining number of places') }}
-            </b-switch>
-          </b-field>
+          <div class="field">
+            <b-radio v-model="event.status"
+                     name="status"
+                     :native-value="EventStatus.TENTATIVE">
+              {{ $t('Tentative: Will be confirmed later') }}
+            </b-radio>
+          </div>
 
-          <b-field>
-            <b-switch v-model="event.options.showParticipationPrice">
-              {{ $t('Display participation price') }}
-            </b-switch>
-          </b-field>
-        </div>
-
-        <h2 class="subtitle">
-          {{ $t('Public comment moderation') }}
-        </h2>
-
-        <label>{{ $t('Comments on the event page') }}</label>
-
-        <div class="field">
-          <b-radio v-model="event.options.commentModeration"
-                   name="commentModeration"
-                   :native-value="CommentModeration.ALLOW_ALL">
-            {{ $t('Allow all comments') }}
-          </b-radio>
-        </div>
-
-        <div class="field">
-          <b-radio v-model="event.options.commentModeration"
-                   name="commentModeration"
-                   :native-value="CommentModeration.MODERATED">
-            {{ $t('Moderated comments (shown after approval)') }}
-          </b-radio>
-        </div>
-
-        <div class="field">
-          <b-radio v-model="event.options.commentModeration"
-                   name="commentModeration"
-                   :native-value="CommentModeration.CLOSED">
-            {{ $t('Close comments for all (except for admins)') }}
-          </b-radio>
-        </div>
-
-        <h2 class="subtitle">
-          {{ $t('Status') }}
-        </h2>
-
-        <div class="field">
-          <b-radio v-model="event.status"
-                   name="status"
-                   :native-value="EventStatus.TENTATIVE">
-            {{ $t('Tentative: Will be confirmed later') }}
-          </b-radio>
-        </div>
-
-        <div class="field">
-          <b-radio v-model="event.status"
-                   name="status"
-                   :native-value="EventStatus.CONFIRMED">
-            {{ $t('Confirmed: Will happen') }}
-          </b-radio>
-        </div>
-
-        <button class="button is-primary">
-            <span v-if="isUpdate === false">{{ $t('Create my event') }}</span>
-            <span v-else> {{ $t('Update my event') }}</span>
-        </button>
-      </form>
+          <div class="field">
+            <b-radio v-model="event.status"
+                     name="status"
+                     :native-value="EventStatus.CONFIRMED">
+              {{ $t('Confirmed: Will happen') }}
+            </b-radio>
+          </div>
+        </form>
+      </div>
     </div>
+    <span ref="bottomObserver"></span>
+    <nav role="navigation" aria-label="main navigation" class="navbar" :class="{'is-fixed-bottom': showFixedNavbar }">
+      <div class="container">
+        <div class="navbar-menu">
+          <div class="navbar-start">
+            <span class="navbar-item" v-if="isUpdate === true && isEventModified">{{ $t('Unsaved changes') }}</span>
+          </div>
+          <div class="navbar-end">
+            <span class="navbar-item">
+              <b-button type="is-text" @click="confirmGoBack">
+                {{ $t('Cancel') }}
+              </b-button>
+            </span>
+            <span class="navbar-item" v-if="isUpdate === false">
+              <b-button type="is-primary" outlined>
+                {{ $t('Save draft') }}
+              </b-button>
+            </span>
+            <span class="navbar-item">
+              <b-button type="is-primary" @click="createOrUpdate" @keyup.enter="createOrUpdate">
+                <span v-if="isUpdate === false">{{ $t('Create my event') }}</span>
+                <span v-else> {{ $t('Update my event') }}</span>
+              </b-button>
+            </span>
+          </div>
+        </div>
+      </div>
+    </nav>
   </section>
 </template>
 
-<style lang="scss">
+<style lang="scss" scoped>
   @import "@/variables.scss";
 
   h2.subtitle {
@@ -178,17 +200,43 @@ import {EventJoinOptions} from "@/types/event.model";
       background: $secondary;
     }
   }
+
+  section {
+    & > .container {
+      margin-bottom: 2rem;
+      padding: 1rem;
+    }
+
+    nav.navbar {
+      min-height: 2rem !important;
+      background: lighten($secondary, 10%);
+
+      .container {
+        min-height: 2rem;
+
+        .navbar-menu, .navbar-end {
+          display: flex !important;
+          background: lighten($secondary, 10%);
+        }
+
+        .navbar-end {
+          justify-content: flex-end;
+          margin-left: auto;
+        }
+      }
+    }
+  }
 </style>
 
 <script lang="ts">
 import { CREATE_EVENT, EDIT_EVENT, FETCH_EVENT } from '@/graphql/event';
 import { Component, Prop, Vue, Watch } from 'vue-property-decorator';
 import {
-    CommentModeration, EventJoinOptions,
-    EventModel,
-    EventStatus,
-    EventVisibility,
-  } from '@/types/event.model';
+  CommentModeration, EventJoinOptions,
+  EventModel,
+  EventStatus,
+  EventVisibility, IEvent,
+} from '@/types/event.model';
 import { CURRENT_ACTOR_CLIENT } from '@/graphql/actor';
 import { Person } from '@/types/actor';
 import PictureUpload from '@/components/PictureUpload.vue';
@@ -220,7 +268,8 @@ export default class EditEvent extends Vue {
 
   currentActor = new Person();
   tags: ITag[] = [];
-  event = new EventModel();
+  event: IEvent = new EventModel();
+  unmodifiedEvent!: IEvent;
   pictureFile: File | null = null;
 
   EventStatus = EventStatus;
@@ -229,6 +278,8 @@ export default class EditEvent extends Vue {
   canPromote: boolean = true;
   limitedPlaces: boolean = false;
   CommentModeration = CommentModeration;
+  showFixedNavbar: boolean = true;
+  observer!: IntersectionObserver;
 
   // categories: string[] = Object.keys(Category);
 
@@ -240,6 +291,7 @@ export default class EditEvent extends Vue {
 
     if (this.eventId) {
       this.event = await this.getEvent();
+      this.unmodifiedEvent = JSON.parse(JSON.stringify(this.event));
 
       this.pictureFile = await buildFileFromIPicture(this.event.picture);
       this.limitedPlaces = this.event.options.maximumAttendeeCapacity != null;
@@ -256,6 +308,20 @@ export default class EditEvent extends Vue {
     this.event.organizerActor = this.event.organizerActor || this.currentActor;
   }
 
+  mounted() {
+    this.observer = new IntersectionObserver((entries, observer) => {
+      for (const entry of entries) {
+        if (entry) {
+          console.log(entry);
+          this.showFixedNavbar = !entry.isIntersecting;
+        }
+      }
+    },                                       {
+      rootMargin: '-50px 0px -50px',
+    });
+    this.observer.observe(this.$refs.bottomObserver as Element);
+  }
+
   createOrUpdate(e: Event) {
     e.preventDefault();
 
@@ -342,6 +408,34 @@ export default class EditEvent extends Vue {
     return this.event.title.length > 80 ? ['is-info', this.$t('The event title will be ellipsed.')] : [undefined, undefined];
   }
 
+  /**
+   * Confirm cancel
+   */
+  confirmGoBack() {
+    const title: string = this.isUpdate ?
+            this.$t('Cancel edition') as string :
+            this.$t('Cancel creation') as string;
+    const message: string = this.isUpdate ?
+            this.$t('Are you sure you want to cancel the event edition? You\'ll lose all modifications.',
+                    { title: this.event.title }) as string :
+            this.$t('Are you sure you want to cancel the event creation? You\'ll lose all modifications.',
+                    { title: this.event.title }) as string;
+
+    this.$buefy.dialog.confirm({
+      title,
+      message,
+      confirmText: this.$t('Cancel') as string,
+      cancelText: this.$t('Continue editing') as string,
+      type: 'is-warning',
+      hasIcon: true,
+      onConfirm: () => this.$router.go(-1),
+    });
+  }
+
+  get isEventModified(): boolean {
+    return JSON.stringify(this.event) !== JSON.stringify(this.unmodifiedEvent);
+  }
+
   // getAddressData(addressData) {
   //   if (addressData !== null) {
   //     this.event.address = {
diff --git a/js/src/views/Event/Event.vue b/js/src/views/Event/Event.vue
index a1f4b93a..68ef3750 100644
--- a/js/src/views/Event/Event.vue
+++ b/js/src/views/Event/Event.vue
@@ -1,8 +1,5 @@
-import {ParticipantRole} from "@/types/event.model";
-import {ParticipantRole} from "@/types/event.model";
-import {ParticipantRole} from "@/types/event.model";
 <template>
-  <div>
+  <div class="container">
     <b-loading :active.sync="$apollo.loading"></b-loading>
     <div v-if="event">
       <div class="header-picture container">
diff --git a/js/src/views/Event/EventList.vue b/js/src/views/Event/EventList.vue
index d90ff26a..f5ddecf1 100644
--- a/js/src/views/Event/EventList.vue
+++ b/js/src/views/Event/EventList.vue
@@ -1,5 +1,5 @@
 <template>
-  <section>
+  <section class="container">
     <h1>
       {{ $t('Event list') }}
     </h1>
diff --git a/js/src/views/Event/Explore.vue b/js/src/views/Event/Explore.vue
index 9db80980..4848f576 100644
--- a/js/src/views/Event/Explore.vue
+++ b/js/src/views/Event/Explore.vue
@@ -1,5 +1,5 @@
 <template>
-  <section>
+  <section class="container">
     <h1 class="title">{{ $t('Explore') }}</h1>
 <!--    <pre>{{ events }}</pre>-->
     <b-loading :active.sync="$apollo.loading"></b-loading>
diff --git a/js/src/views/Event/MyEvents.vue b/js/src/views/Event/MyEvents.vue
index b06f4f24..8d039645 100644
--- a/js/src/views/Event/MyEvents.vue
+++ b/js/src/views/Event/MyEvents.vue
@@ -1,5 +1,5 @@
 <template>
-    <main>
+    <main class="container">
         <h1 class="title">
             {{ $t('My events') }}
         </h1>
diff --git a/js/src/views/Group/Create.vue b/js/src/views/Group/Create.vue
index 525298b2..b443253e 100644
--- a/js/src/views/Group/Create.vue
+++ b/js/src/views/Group/Create.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="root">
+  <div class="container root">
     <h1>{{ $t('Create a new group') }}</h1>
 
     <div>
diff --git a/js/src/views/Group/GroupList.vue b/js/src/views/Group/GroupList.vue
index d7694756..b4a70a78 100644
--- a/js/src/views/Group/GroupList.vue
+++ b/js/src/views/Group/GroupList.vue
@@ -1,5 +1,5 @@
 <template>
-  <section>
+  <section class="container">
     <h1>
       {{ $t('Group List') }}
     </h1>
diff --git a/js/src/views/Moderation/Logs.vue b/js/src/views/Moderation/Logs.vue
index aae6f4c9..ca8dcecb 100644
--- a/js/src/views/Moderation/Logs.vue
+++ b/js/src/views/Moderation/Logs.vue
@@ -1,4 +1,3 @@
-import {ReportStatusEnum} from "@/types/report.model";
 <template>
     <section class="container">
         <nav class="breadcrumb" aria-label="breadcrumbs">
diff --git a/js/src/views/Moderation/ReportList.vue b/js/src/views/Moderation/ReportList.vue
index 5aa09f15..9b91d920 100644
--- a/js/src/views/Moderation/ReportList.vue
+++ b/js/src/views/Moderation/ReportList.vue
@@ -1,4 +1,3 @@
-import {ReportStatusEnum} from "@/types/report.model";
 <template>
     <section class="container">
         <nav class="breadcrumb" aria-label="breadcrumbs">
diff --git a/js/src/views/User/PasswordChange.vue b/js/src/views/User/PasswordChange.vue
index e64c93c3..3a426ced 100644
--- a/js/src/views/User/PasswordChange.vue
+++ b/js/src/views/User/PasswordChange.vue
@@ -1,5 +1,5 @@
 <template>
-    <section class="section">
+    <section class="container">
         <nav class="breadcrumb" aria-label="breadcrumbs">
             <ul>
                 <li><router-link :to="{ name: MyAccountRouteName.UPDATE_IDENTITY }">{{ $t('My account') }}</router-link></li>
diff --git a/js/src/views/User/PasswordReset.vue b/js/src/views/User/PasswordReset.vue
index 6ab6a4c7..ca6fd1b5 100644
--- a/js/src/views/User/PasswordReset.vue
+++ b/js/src/views/User/PasswordReset.vue
@@ -1,5 +1,5 @@
 <template>
-  <section class="columns is-mobile is-centered">
+  <section class="container columns is-mobile is-centered">
     <div class="card column is-half-desktop">
       <h1>
         {{ $t('Password reset') }}
diff --git a/js/src/views/User/Register.vue b/js/src/views/User/Register.vue
index 0cb2978e..852e4d02 100644
--- a/js/src/views/User/Register.vue
+++ b/js/src/views/User/Register.vue
@@ -1,5 +1,5 @@
 <template>
-  <div>
+  <div class="container">
     <section class="hero">
       <div class="hero-body">
         <h1 class="title">
diff --git a/js/src/views/User/Validate.vue b/js/src/views/User/Validate.vue
index 81fabcdd..0ba2e0b7 100644
--- a/js/src/views/User/Validate.vue
+++ b/js/src/views/User/Validate.vue
@@ -1,5 +1,5 @@
 <template>
-  <section>
+  <section class="container">
     <h1 class="title" v-if="loading">
       {{ $t('Your account is being validated') }}
     </h1>