BFC的作用以及原理介绍

<template>
  <div class="parent">
    <div class="child1">1</div>
    <div class="child2">2</div>
    <div class="child3">3</div>
  </div>
</template>

<script>
export default {
  name: "HelloWorld",
  data() {
    return {};
  },
  methods: {},
  created() {},
  mounted() {}
};
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style scoped>

.parent {
  width: 100%;
  height: 100%;
  background-color: red;
  overflow: hidden;
}

.child1 {
  width: 100px;
  height: 50%;
  text-align: center;
  background-color: cadetblue;
  float: left;
  margin: 10px 20px;
}

.child2 {
  width: 200px;
  height: 200px;
  text-align: center;
  margin: 10px;
  background-color: whitesmoke;
  /* display: inline-block; */
  overflow: hidden;
}

.child3 {
  width: 200px;
  height: 200px;
  text-align: center;
  margin: 80px 10px;
  background-color: whitesmoke;
  /* display: inline-block; */
  overflow: hidden;
}
</style>