.opt-in_container {
  align-items: center;
  cursor: pointer;
  width: fit-content;
  margin: auto;
}

.opt-in_checkbox {
  display: none;
}

.checkmark {
  margin-right: 15px;
  height: 20px;
  width: 20px;
  border: 2px solid #999999;
  box-sizing: border-box;
  border-radius: 4px;
  position: relative;
  margin-top: 2px;
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
  left: 5px;
  top: 0px;
  width: 6px;
  height: 12px;
  border: 2px solid #FFF;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.opt-in_checkbox:checked + .opt-in_container > .checkmark {
  background-color: #00A196;;
  border: 2px solid #00A196;;
}

.opt-in_checkbox:checked + .opt-in_container > .checkmark:after {
  display: block;
}