/*
 * http://stackoverflow.com/questions/22825564/html-how-to-increase-radio-buttons-size-under-firefox-opera-safari
 */

.quizlist {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.radio {
  position: relative;
  float: left;
  clear: left;
  display: block;
  padding-left: 40px;
  margin-bottom: 12px;
  line-height: 22px;
  font-size: 18px;
  color: #666;
  cursor: pointer;
}

.radio:before {
  background: #fff;
  content: "";
  position: absolute;
  display: inline-block;
  top: 0;
  left: 0;
  width: 22px;
  height: 21px;
  border: 1px solid #bbb;

  border-radius: 100%;
  -moz-border-radius: 100%;
  -webkit-border-radius: 100%;

  box-shadow: inset 0 0 3px 0 #ccc;
  -moz-box-shadow: inset 0 0 3px 0 #ccc;
  -webkit-box-shadow: inset 0 0 3px 0 #ccc;
}

input[type="radio"] {
  display: none;
}

input[type="radio"]:checked + label:before {
  content: "\2713";
  text-align: center;
  line-height: 15px;
  font-family: Tahoma; /* If you change font you must also change font-size & line-height */
  font-size: 44px;
  color: #00a0db;
  text-shadow: 0 0 4px #bbb;
}

input[type="radio"]:not(:checked) + label:before {
  content: "\2713";
  text-align: center;
  line-height: 15px;
  font-family: Tahoma; /* If you change font you must also change font-size & line-height */
  font-size: 44px;
  color: 545454;
  text-shadow: 0 0 4px #bbb;
}