.details-item input {
  cursor: pointer;
  opacity: 0;
  position: absolute;
  z-index: 100;
  width: 24px;
  height: 22px;
  margin: 0;
}

.details-item label {
  position: relative;
  cursor: pointer;
  float: left;
}

.details-item label:before {
  content:'';
  -webkit-appearance: none;
  background-color: transparent;
  border: 2px solid #0079bf;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05), inset 0px -15px 10px -12px rgba(0, 0, 0, 0.05);
  padding: 10px;
  display: inline-block;
  position: relative;
  vertical-align: middle;
  cursor: pointer;
  margin-right: 5px;
}

.details-item input:checked + label:after {
  content: '';
  display: block;
  position: absolute;
  top: 2px;
  left: 9px;
  width: 6px;
  height: 14px;
  border: solid #0079bf;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}