/* Aspect des checkboxes */
/* :before sert à  créer la case à  cocher */

input[type=radio] 
{
    -webkit-appearance: none;
    -moz-appearance: none;
    -ms-appearance: none;
    border-radius: 13px;
    height: 26px;
    width: 26px;
    background: #fff;
    border: 2px solid #CCC;
    cursor:pointer;
    vertical-align: middle;
    transition:1s;
}

input[type="radio"]:checked 
{
  background: #FFFFFF;
  position: relative;  
  border: 2px solid #000000;
}

input[type="radio"]:checked:before 
{    
    content: '●';
    display: block;
    color: #000000;
    font-size: 32px;
    position: absolute;
    top:-12px;
    left:1.5px;
  }