跟着做的，为什么我把helloworld组件里style中的内容删了会报错呃
<style scoped> <!-- Add "scoped" attribute to limit CSS to this component only -->
h1, h2 {
font-weight: normal;
}
ul {
list-style-type: none;
padding: 0;
}
li {
display: inline-block;
margin: 0 10px;
}
a {
color: #42b983;
}
</style>
