CSS display: inline-block 示例

<style>
  .inline-block-demo {
    background-color: #e8e8e8;
    padding: 10px;
  }
  .inline-block-item {
    display: inline-block;
    width: 120px;
    height: 60px;
    background-color: #2196F3;
    border: 1px solid #000;
    color: white;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    line-height: 60px;
    margin: 5px;
    vertical-align: middle;
  }
</style>
<div class="inline-block-demo">
  <div class="inline-block-item">行内块 1</div>
  <div class="inline-block-item">行内块 2</div>
  <div class="inline-block-item">行内块 3</div>
  <div class="inline-block-item">行内块 4</div>