标签：flex 靠左 width 100px height 靠右 1px div border
1.使用flex布局
<style>
#back{
border: red solid 1px;
width: 800px;
height: 500px;
display: flex;
align-items: center;
}
#left{
border: blue 1px solid;
width: 100px;
height: 100px;
justify-content: flex-start;
}
#right{
border: blue 1px solid;
width: 100px;
height: 100px;
justify-content: flex-end;
flex:1;
display: flex;
}
</style>
</head>
<body>
<div id="back">
<div id="left">left</div>
<div id="right">right</div>
</div>
标签：flex,
靠左,
width,
100px,
height,
靠右,
1px,
div,
border
From： https://www.cnblogs.com/lwx11111/p/16707336.html