general UI improvements

ui/src/components/MultiModal.vue

@@ -17,6 +17,11 @@
         </figure>
       </template>
     </div>
+
+    <button
+      v-if="!progress"
+      class="modal-close is-large has-background-primary"
+    />
   </div>
 </template>
 

ui/src/components/calendar/CalendarDoor.vue

@@ -3,8 +3,8 @@
     style="cursor: pointer"
     :variant="visible || hovered ? 'primary' : undefined"
     :rectangle="door.position"
-    @mouseover="hovered = true"
-    @mouseout="hovered = false"
+    @mouseenter="hovered = true"
+    @mouseleave="hovered = false"
   >
     <div class="has-text-danger">{{ door.day }}</div>
   </SVGRect>