.flag-radio{
  -webkit-appearance: none;
    -moz-appearance: none;
    -ms-appearance: none;
    -o-appearance: none;
    appearance: none;
    position: relative;
    /*top: 13.33333px;*/
    right: 0;
    bottom: 0;
    left: 0;
    height: 1.5em;
    width: 2.6em;
    transition: all 0.15s ease-out 0s;
    border: none;
    color: #fff;
    cursor: pointer;
    display: inline-block;
    margin-right: 0.5rem;
    outline: none;
    position: relative;
    z-index: 1000;
}

.flag-radio:checked::before {
  height: 1.5em;
  width: 2.6em;
  position: absolute;
  /*content: '✔';*/
  display: inline-block;
  font-size: 26.66667px;
  text-align: center;
  line-height: 40px;
}

.flag-radio:checked::after {
  -webkit-animation: click-wave 0.65s;
  -moz-animation: click-wave 0.65s;
  animation: click-wave 0.65s;
  content: '✔';
  display: block;
  position: relative;
  z-index: 100;
}

#Ua{
  background: url(/images/ua.png) no-repeat;
}
#En{
  background: url(/images/us.png) no-repeat;
}
.option-input {
    -webkit-appearance: none;
    -moz-appearance: none;
    -ms-appearance: none;
    -o-appearance: none;
    appearance: none;
    position: relative;
    /*top: 13.33333px;*/
    right: 0;
    bottom: 0;
    left: 0;
    height: 40px;
    width: 40px;
    transition: all 0.15s ease-out 0s;
    background: #cbd1d8;
    border: none;
    color: #fff;
    cursor: pointer;
    display: inline-block;
    margin-right: 0.5rem;
    outline: none;
    position: relative;
    z-index: 1000;
  }
  .option-input:hover {
    background: #9faab7;
  }
  .option-input:checked {
    background: #40e0d0;
  }
  .option-input:checked::before {
    height: 40px;
    width: 40px;
    position: absolute;
    content: '✔';
    display: inline-block;
    font-size: 26.66667px;
    text-align: center;
    line-height: 40px;
  }
  .option-input:checked::after {
    -webkit-animation: click-wave 0.65s;
    -moz-animation: click-wave 0.65s;
    animation: click-wave 0.65s;
    background: #40e0d0;
    content: '';
    display: block;
    position: relative;
    z-index: 100;
  }
  .option-input.radio {
    border-radius: 50%;
  }
  .option-input.radio::after {
    border-radius: 50%;
  }