/* 
     .fold {
  postion: relative;
  width:100%;
  height:30px;
 
}

.fold::before {
  content:"";
  position: absolute;
  top: 0px;
  right: 0px;
  border-style: solid;
  border-width: 0 19px 19px 0;
  border-color: #ddd white;
  transition: all ease 0.5s;
}
.fold:hover::before {
  border-width: 0 24px 24px 0;
  border-color: #eee white
}
*/