.custom-checkbox {
  position: relative;
  width: 20px;
  height: 20px;
}

.custom-checkbox input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.custom-checkbox .checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 20px;
  width: 20px;
  background-color: white;
  border: 2px solid #0088FF;
  border-radius: 4px;
}

.custom-checkbox .checkmark:after {
  content: "";
  position: absolute;
  display: none;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.custom-checkbox input:checked ~ .checkmark {
  background-color: #0088FF;
  border: 2px solid #0088FF;
}

.custom-checkbox input:checked ~ .checkmark:after {
  display: block;
}