.inputGroup {
    background-color: #fff;
    display: block;
    margin: 10px 0;
    position: relative;
  }
  .inputGroup label {
    padding: 12px 30px;
    width: 100%;
    display: block;
    text-align: left;
    color: #3C454C;
    cursor: pointer;
    position: relative;
    z-index: 2;
    -webkit-transition: color 200ms ease-in;
    transition: color 200ms ease-in;
    overflow: hidden;
  }
  .inputGroup label:before {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    content: '';
    background-color: #d03d3f;
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%) scale3d(1, 1, 1);
            transform: translate(-50%, -50%) scale3d(1, 1, 1);
    -webkit-transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    transition: all 300ms cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    z-index: -1;
  }
  .inputGroup label:after {
    width: 32px;
    height: 32px;
    content: '';
    border: 2px solid #D1D7DC;
    background-color: #fff;
    background-image: url("data:image/svg+xml,%3Csvg width='32' height='32' viewBox='0 0 32 32' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M5.414 11L4 12.414l5.414 5.414L20.828 6.414 19.414 5l-10 10z' fill='%23fff' fill-rule='nonzero'/%3E%3C/svg%3E ");
    background-repeat: no-repeat;
    background-position: 2px 3px;
    border-radius: 50%;
    z-index: 2;
    position: absolute;
    right: 30px;
    top: 50%;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
    cursor: pointer;
    -webkit-transition: all 200ms ease-in;
    transition: all 200ms ease-in;
  }
  .inputGroup input:checked ~ label {
    color: #fff;
  }
  .inputGroup input:checked ~ label:before {
    -webkit-transform: translate(-50%, -50%) scale3d(56, 56, 1);
            transform: translate(-50%, -50%) scale3d(56, 56, 1);
    opacity: 1;
  }
  .inputGroup input:checked ~ label:after {
    background-color: #00ff00;
    border-color: #00ff00;
  }
  .inputGroup input {
    width: 32px;
    height: 32px;
    -webkit-box-ordinal-group: 2;
            order: 1;
    z-index: 2;
    position: absolute;
    right: 30px;
    top: 50%;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
    cursor: pointer;
    visibility: hidden;
  }
  
  .form {
    padding: 0 16px;
    max-width: 550px;
    margin: 50px auto;
    font-size: 18px;
    font-weight: 600;
    line-height: 36px;
  }