Prevent text wrapping on version label

src/App.vue

@@ -99,8 +99,9 @@ header > p {
 
 .beta {
   position: absolute;
+  white-space: nowrap;
   top: 2px;
-  font-size: 20px;
+  font-size: 18px;
   color: #BBBBBB;
   padding-left: 15px;
 }