console 命令行工具 X clear

console

<div class="left"></div>
<div class="right"></div>

.left {
  float: left;
  width: 200px;
  height: 600px;
  background-color: pink;
}

.right {
  float: right;
  width: calc(100% - 200px);
  height: 600px;
  background-color: lightblue;
}