input[type="checkbox"] {
  display: none;
}

input[type="checkbox"] + label {
  position: relative;
  top: 0.1rem;
  z-index: 1;
  display: inline;
  padding-right: 0;
  padding-left: 1.6rem;
  font-size: 1.3rem;
  cursor: pointer;
  border: 1px solid #d1d1d1;
  border-radius: 4px;
}

input[type="checkbox"]:checked + label {
  background-color: #33C3F0;
  border: 1px solid #33C3F0;
}

input[type=checkbox]:checked + label:after {
  position: absolute;
  top: 0.6ex;
  left: 0.4ex;
  width: 1.6ex;
  height: 0.8ex;
  border: 3px solid #fff;
  border-top: none;
  border-right: none;
  content: '';
  transform: rotate(-42deg);
}


input[type="checkbox"][disabled] + label {
  cursor: default;
  background-color: #f1f1f1;
  border: 1px solid #f1f1f1;
}

input[type="checkbox"][disabled]:checked + label {
  background-color: #f1f1f1;
  border: 1px solid #f1f1f1; 
}

input[type=checkbox][disabled]:checked + label:after {
  border: 3px solid #e1e1e1;
  border-top: none;
  border-right: none;
}