background: #42C2DF;
  color: white;
  font-size: 20px;
  -webkit-transition: background 0.4s;
  transition: background 0.4s;
  cursor: pointer;
}
.container .col2 .buy i {
  font-size: 20px;
}
.container .col2 .buy:hover {
  background: #3594A9;
  -webkit-transition: background 0.4s;
  transition: background 0.4s;
}

.chip {
  position: absolute;
  width: 55px;
  height: 40px;
  background: #bbb;
  border-radius: 7px;
}
.chip:after {
  content: '';
  display: block;
  width: 35px;
  height: 25px;
  border-