<style>
#main {
width: 220px;
height: 300px;
border: 1px solid black;
display: -webkit-flex; /* Safari */
-webkit-align-items: flex-start; /* Safari 7.0+ */
display: flex;
align-items: flex-start;
}
#main div {
-webkit-flex: 1; /* Safari 6.1+ */
flex: 1;
}
#myBlueDiv {
-webkit-align-self: center; /* Safari 7.0+ */
align-self: center;
}
</style>
</head>
<body>
<div id="main">
<div style="background-color:coral;">红色</div>
<div style="background-color:lightblue;" id="myBlueDiv">蓝色</div>
<div style="background-color:lightgreen;">带有更多内容的绿色 div</div>
</div>
标签：flex,align,Safari,webkit,self,属性 From： https://www.cnblogs.com/96net/p/16609606.html