Fix images in footers

src/App.vue

@@ -8,7 +8,13 @@
     </header>
     <router-view></router-view>
     <footer>
-      <div>
+      <div v-if="!on_mobile_screen">
+        <img id="srlogo" src="./assets/Sprakradet_logo_neg.png" alt="">
+      </div>
+      <div v-if="!on_mobile_screen">
+        <img id="uiblogo" src="./assets/uib-logo.svg" alt="">
+      </div>
+      <div v-if="on_mobile_screen">
         <img id="srlogo" src="./assets/Sprakradet_logo_neg.png" alt="">
         <img id="uiblogo" src="./assets/uib-logo.svg" alt="">
       </div>
@@ -26,6 +32,12 @@
     },
     mounted: function(){
       document.title = 'Ordbøkene - ' + this.version_label
+    },
+    computed: {
+    on_mobile_screen: function() {
+      if (this.$vuetify.breakpoint.xs || this.$vuetify.breakpoint.sm){return true}
+      else{return false}
+      }
     }
   }
 </script>