Resolve "Monitoring graph empty states are gigantic on `screen-sm` viewport sizes"

app/assets/javascripts/monitoring/components/empty_state.vue

@@ -73,34 +73,22 @@
 
 <template>
   <div class="prometheus-state">
-    <div class="row">
-      <div class="col-md-4 col-md-offset-4 state-svg svg-content">
+    <div class="state-svg svg-content">
       <img :src="currentState.svgUrl"/>
     </div>
-    </div>
-    <div class="row">
-      <div class="col-md-6 col-md-offset-3">
-        <h4 class="text-center state-title">
+    <h4 class="state-title">
       {{currentState.title}}
     </h4>
-      </div>
-    </div>
-    <div class="row">
-      <div class="col-md-6 col-md-offset-3">
-        <div class="description-text text-center state-description">
+    <p class="state-description">
       {{currentState.description}}
       <a v-if="showButtonDescription" :href="settingsPath">
         Prometheus server
       </a>
-        </div>
-      </div>
-    </div>
-    <div class="row state-button-section">
-      <div class="col-md-4 col-md-offset-4 text-center state-button">
+    </p>
+    <div class="state-button">
       <a class="btn btn-success" :href="buttonPath">
         {{currentState.buttonText}}
       </a>
     </div>
   </div>
-  </div>
 </template>

app/assets/javascripts/monitoring/monitoring_bundle.js

@@ -3,8 +3,5 @@ import Dashboard from './components/dashboard.vue';
 
 document.addEventListener('DOMContentLoaded', () => new Vue({
   el: '#prometheus-graphs',
-  components: {
-    Dashboard,
-  },
-  render: createElement => createElement('dashboard'),
+  render: createElement => createElement(Dashboard),
 }));

app/assets/stylesheets/pages/environments.scss

@@ -207,10 +207,13 @@
 }
 
 .prometheus-state {
-  margin-top: 10px;
+  max-width: 430px;
+  margin: 10px auto;
+  text-align: center;
 
-  .state-button-section {
-    margin-top: 10px;
+  .state-svg {
+    max-width: 80vw;
+    margin: 0 auto;
   }
 }