elementUI单选框按钮样式

<template>
<div>
  <el-radio-group v-model="radio" @change="getValue()" size="mini">
    <el-radio-button v-for="(item,i) in items" :key="i" :label="i" :disabled="item.disabled">{{item.content}}</el-radio-button>
  </el-radio-group>
</div>
</template>
<script>
export default {
  name: "HelloWorld",
  data () {
    return {
      radio:0,
      items:[
        {id:0,content:"选项一",disabled:false},
        {id:1,content:"选项二",disabled:true},
        {id:2,content:"选项三",disabled:false},
      ]
    };
  },
  methods: {
    getValue(){
      console.log(this.radio)
    }
  },
}
</script>
<style lang="css" scoped>
</style>