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console 命令行工具 X clear

                    
>
console
<div class="btn-group">
  <div class="btn first">这是我的</div><div class="btn">这是我的</div> 
</div>
.btn {
  padding: 6px 12px;
  border: 1px solid #ccc;
  display: inline-block;
  vertical-align: middle;
  float: left;
}
.btn-group .btn + .btn {
  margin-left: -1px;
}