css垂直居中實現代碼

.verticle{ height: 100px; line-height: 100px;}

.container { position: relative; 
}.vertical { width : 300px; /*子元素的寬度*/
 height: 300px; /*子元素高度*/
 position: absolute; top:50%; /*父元素高度50%*/
 left: 50%; 
 margin-left: -150px; margin-top: -150px; /*自身高度一半*/}

.container { position: relative; 
}.vertical { position:absolute; top: 50%; left:50%; transform:translate(-50%,-50%);}

.content{ display:flex; justify-content: center; /*子元素水平居中*/
 align-items: center; /*子元素垂直居中*/}

.container { display: table;}.content { display: table-cell; vertical-align: middle; }