1

src/App.vue

 <template>
   <div id="app">
     <nav>
-      <router-link to="/">Home</router-link> |
+      <router-link to="/">Home1</router-link> |
       <router-link to="/about">About</router-link>
     </nav>
-    <router-view/>
+    <router-view />
   </div>
 </template>
 
 <style>
-#app {
+  #app {
     font-family: Avenir, Helvetica, Arial, sans-serif;
     -webkit-font-smoothing: antialiased;
     -moz-osx-font-smoothing: grayscale;
     text-align: center;
     color: #2c3e50;
-}
+  }
 
-nav {
+  nav {
     padding: 30px;
-}
+  }
 
-nav a {
+  nav a {
     font-weight: bold;
     color: #2c3e50;
-}
+  }
 
-nav a.router-link-exact-active {
+  nav a.router-link-exact-active {
     color: #42b983;
-}
+  }
 </style>
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