Fixed tab layout

frontend/src/components/BaseLayout.vue

@@ -5,6 +5,7 @@
       clipped
       app
       permanent
+      width="300"
       :mini-variant="mini"
     >
       <v-toolbar>

frontend/src/components/feedback_labels/FeedbackLabelTab.vue

@@ -32,7 +32,8 @@
     <v-tabs
       v-if="showDetail"
       grow
-      color="teal lighten-1"
+      color="black"
+      background-color="teal lighten-1"
     >
       <v-tab id="list-labels-section">
         List

frontend/src/components/subscriptions/SubscriptionList.vue

@@ -37,7 +37,8 @@
       v-if="showDetail"
       v-model="selectedStage"
       grow
-      color="teal lighten-1"
+      color="black"
+      background-color="teal lighten-1"
     >
       <v-tab
         v-for="(item, i) in stagesReadable"