html,body{background-color: whitesmoke} .layui-fluid{margin-top: 15px;} .content{min-height: 796px;} .nav{text-align: center;} .nav button{margin-bottom: 3px;width: 100%;margin-top: 3px;margin-bottom: 3px;border-radius: 1px;} .nav button:hover{background-color: #5FB878;border: 1px solid #5FB878;color: white;} .layui-card-body .layui-btn+.layui-btn{margin-left: 0px;} .code-show{min-height: 454px;} .js-show{min-height: 200px;}