<template>
  <div class="common-layout">
    <el-container>
      <el-header>Header</el-header>
      <el-main>Main</el-main>
    </el-container>

    <el-container>
      <el-header>Header</el-header>
      <el-main>Main</el-main>
      <el-footer>Footer</el-footer>
    </el-container>

    <el-container>
      <el-aside width="200px">Aside</el-aside>
      <el-main>Main</el-main>
    </el-container>

    <el-container>
      <el-header>Header</el-header>
      <el-container>
        <el-aside width="200px">Aside</el-aside>
        <el-main>Main</el-main>
      </el-container>
    </el-container>

    <el-container>
      <el-header>Header</el-header>
      <el-container>
        <el-aside width="200px">Aside</el-aside>
        <el-container>
          <el-main>Main</el-main>
          <el-footer>Footer</el-footer>
        </el-container>
      </el-container>
    </el-container>

    <el-container>
      <el-aside width="200px">Aside</el-aside>
      <el-container>
        <el-header>Header</el-header>
        <el-main>Main</el-main>
      </el-container>
    </el-container>

    <el-container>
      <el-aside width="200px">Aside</el-aside>
      <el-container>
        <el-header>Header</el-header>
        <el-main>Main</el-main>
        <el-footer>Footer</el-footer>
      </el-container>
    </el-container>
  </div>
</template>

<style lang="scss">
.common-layout {
  .el-header,
  .el-footer {
    background-color: #b3c0d1;
    color: var(--el-text-color-primary);
    text-align: center;
    line-height: 60px;
  }

  .el-footer {
    line-height: 60px;
  }

  .el-aside {
    background-color: #d3dce6;
    color: var(--el-text-color-primary);
    text-align: center;
    line-height: 200px;
  }

  .el-main {
    background-color: #e9eef3;
    color: var(--el-text-color-primary);
    text-align: center;
    line-height: 160px;
  }

  body > .el-container {
    margin-bottom: 40px;
  }

  .el-container:nth-child(5) .el-aside,
  .el-container:nth-child(6) .el-aside {
    line-height: 260px;
  }

  .el-container:nth-child(7) .el-aside {
    line-height: 320px;
  }
}
</style>
