现在写法:
display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
对应旧的写法:
display: -webkit-flex;
-webkit-flex-direction: row;
-webkit-box-pack: center;
-webkit-align-items:center;
现在写法:
display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
对应旧的写法:
display: -webkit-flex;
-webkit-flex-direction: row;
-webkit-box-pack: center;
-webkit-align-items:center;