remove clearfix code example
Example 1: clearfix
.clearfix:after {
content: "";
display: block;
clear: both;
visibility: hidden;
font-size: 0;
height: 0;
}
.clearfix {
*display: inline-block;
_height: 1%;
}
/* use when overflow hidden can't be used
Example 2: clearfix
.clearfix::after {
content: "";
clear: both;
display: table;
}