console 命令行工具 X clear

console

<div class='Parallelogram'>我没有转45度</div>

.Parallelogram{
  width:300px;
  height:60px;
  margin-left:100px;
  padding:20px;
  position:relative;
  

}
/* .Parallelogram div{
  transform:skew(45deg);
} */
.Parallelogram::before{
  content:'';
  position:absolute;
  top:0;right:0;left:0;bottom:0;
  transform:skew(-45deg);
  z-index:-1;
  background:yellowgreen;
}