.control {
  display: block;
  position: relative;
  padding-left: 30px;
  margin-bottom: 15px;
  cursor: pointer;
}

.control input {
  position: absolute;
  z-index: -1;
  opacity: 0;
}

.control__indicator {
  position: absolute;
  top: 2px;
  left: 0;
  height: 20px;
  width: 20px;
  background: #e6e6e6;
}

.control__indicator:after {
  content: '';
  position: absolute;
  display: none;
}

.control input:checked ~ .control__indicator:after {
  display: block;
}

.control--checkbox .control__indicator:after {
  left: 8px;
  top: 4px;
  width: 3px;
  height: 8px;
  border: solid #fff;
}

.errado .control__indicator:after {
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background: #AA0000;
}

.certo .control__indicator:after {
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background: #136B20;
}

.control--radio input:disabled ~ .control__indicator:after {
  background: #7b7b7b;
}