<template>
    <div>
        <el-button @click="show = !show">Click Me</el-button>

        <div style="margin-top: 20px; height: 200px">
            <el-collapse-transition>
                <div v-show="show">
                    <div class="transition-box">el-collapse-transition</div>
                    <div class="transition-box">el-collapse-transition</div>
                </div>
            </el-collapse-transition>
        </div>
    </div>
</template>

<script lang="ts" setup>
import { ref } from 'vue'

const show = ref(true)
</script>

<style>
.transition-box {
    margin-bottom: 10px;
    width: 200px;
    height: 100px;
    border-radius: 4px;
    background-color: #409eff;
    text-align: center;
    color: #fff;
    padding: 40px 20px;
    box-sizing: border-box;
    margin-right: 20px;
}
</style>
