css常用工具类
/*浮动工具类*/
.fl{
float: left;
}
.fr{
float: right;
}
/*清除浮动工具类*/
.clearfix::after{
content: "";
display: block;
height: 0;
visibility: hidden;
clear: both;
}
.clearfix{
*zoom:1;
}
/*自定义居中混合*/
.center(){
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
}
.hCenter(){
position: absolute;
left: 50%;
transform: translateX(-50%);
}
.vCenter(){
position: absolute;
top: 50%;
transform: translateY(-50%);
}