11周浮动方法排列类似棋盘效果 - feng

//浮动方法排列类似棋盘效果
.main{margin: 0 auto;width: 800px;height: 800px;display: flex;line-height: 400px;font-size: 24px;color: #FFFFFF;text-align: center;}.A,.B,.C,.D{float: left;width: 400px;height: 400px;}.A{background-color: red;}.B{background-color: orange;}.C{background-color: green;}.D{background-color: purple;}