input[type=radio].css-checkbox {
       display:none;
      }

      input[type=radio].css-checkbox + label.css-label, input[type=radio].css-checkbox + label.css-label.clr {
       padding-left:26px;
       height:21px; 
       display:inline-block;
       line-height:21px;
       background-repeat:no-repeat;
       background-position: 0 0;
       vertical-align:middle;
       cursor:pointer;

      }

      input[type=radio].css-checkbox:checked + label.css-label, input[type=radio].css-checkbox + label.css-label.chk {
       background-position: 0 -21px;
      }
      label.css-label {
    background-image:url(https://image.mc.noordhoff.nl/lib/fe3611717564047f701d73/m/4/ad0b05d2-b1fe-41ac-8b10-0b8f8a108c0c.png);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
   }