Place matching save button

src/components/ProposalList.vue

@@ -38,9 +38,11 @@
                     </b-list-group-item>
                 </b-list-group>
             </b-card>
+          <div class="d-flex justify-content-end list-group-item action-footer">
             <b-btn-group>
-                <b-button @click="preSave(ml)">Save</b-button>
+              <b-button @click="preSave(ml)">Save</b-button>
             </b-btn-group>
+          </div>
         </div>
     </transition-group>
 </div>
@@ -111,6 +113,11 @@
         flex-wrap: nowrap;
     }
 
+    .action-footer {
+      border-left: 1px solid var(--primary);
+      border-right: 1px solid var(--primary);
+      border-bottom: 1px solid var(--primary);
+    }
     .rounded-bottom-0 {
         border-bottom-left-radius: 0;
         border-bottom-right-radius: 0;