.envelope {
  float:left;
  display: block;
  position: relative;
  border-radius: 5px;
  height: 62px;
  width: 95px;
  background-color: #14bad9;
  margin: 0 auto 20px auto;
  overflow: hidden;
  z-index: 0;
  border: 2px solid #cfcfcf;
  cursor:pointer;
 }
.envelope .top-flick {
  border: 2px solid #cfcfcf;
  width: 111px;
  height: 380px;
  position: absolute;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  top: -315px;
  right: -106px;
  z-index: 9;
 /* box-shadow: 1px 1px 40px gray;
  -webkit-box-shadow: 1px 1px 40px gray;*/
  border-radius: 10px;
  background-color: #14bad9;
 }
.envelope .bottom-flick {
  position: absolute;
  bottom: 0;
  width: 1px;
  height: 1px;
  border: solid 45px transparent;
  border-bottom: solid 30px #14bad9;
  border-top: none;
 }
.envelope .with-border {
  position: absolute;
  bottom: 0px;
  left: -5px;
  width: 1px;
  height: 1px;
  border: solid 50px transparent;
  border-bottom: solid 33px #cfcfcf;
  border-top: none;
}