<body> <div class="childDiv" > <div class="box box01">1</div> <div class="box box02">2</div> <div class="box box03">3</div> <div class="box box04">4</div> </div> </body>
body{margin:0;padding:0;} .childDiv{ background-color:pink; height:100%; width:100%; position:absolute; } .box{background-color:purple;height:200px; width:200px; position:absolute;} .box01{ background-color:deeppink; left:0; top:0;} .box02{ top:0; right:0; } .box03{background-color:orange; bottom:0; left:0; } .box04{ bottom:0; right:0;}
原文：https://www.cnblogs.com/jiunie/p/11322560.html