tweak expand button

src/components/Article.vue

@@ -254,7 +254,7 @@ ul li.definition {
 }
 
 .collapsable {
-  padding-bottom: 38px;
+  padding-bottom: 34px;
 }
 
 </style>

src/components/ArticleFooter.vue

@@ -17,7 +17,7 @@
         <v-icon small left>link</v-icon><span class = "button-text">{{$t("article_footer.copy_link")}}</span>
       </v-btn>
 
-      <v-btn v-if="webShareApiSupported" depressed small class="toolbar-button" rounded @click="shareViaWebShare">
+      <v-btn v-if="webShareApiSupported" text small class="toolbar-button" rounded @click="shareViaWebShare">
         <v-icon small left>share</v-icon><span class = "button-text">{{$t("article_footer.share")}}</span>
       </v-btn>
 

src/components/Header.vue

@@ -29,10 +29,11 @@
            width="100%"
            
            plain
+           medium
            
            
            @click="$parent.collapsed=!$parent.collapsed">
-           <v-icon right>{{$parent.collapsed ? 'expand_more': 'expand_less'}}</v-icon></v-btn></span> 
+           <v-icon medium>{{$parent.collapsed ? 'expand_more': 'expand_less'}}</v-icon></v-btn></span> 
   </div>
 </template>