.custom-radios div {
  display: inline-block;
}
.custom-radios input[type="radio"] {
  display: none;
}
.custom-radios input[type="radio"] + label {
  color: #333;
  font-family: Arial, sans-serif;
  font-size: 14px;
}
.custom-radios input[type="radio"] + label span {
  display: inline-block;
  width: 40px;
  height: 40px;
  margin: 5px 4px 0 0;
  vertical-align: inherit;
  cursor: pointer;
  border-radius: 50%;
  border: 2px solid #FFFFFF;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.33);
  background-repeat: no-repeat;
  background-position: center;
  background-size: 24px 24px;
  text-align: center;
  line-height: 44px;
  opacity: 0.55;
  transition: opacity .15s ease, box-shadow .15s ease, transform .15s ease;
}
.custom-radios input[type="radio"] + label:hover span {
  opacity: 0.85;
  transform: scale(1.06);
}
.custom-radios input[type="radio"] + label span img {
  opacity: 0;
  transition: all .3s ease;
}
.custom-radios input[type="radio"]#color-1 + label span {
  background-color: #28a745;
}
.custom-radios input[type="radio"]#color-2 + label span {
  background-color: #3498db;
}
.custom-radios input[type="radio"]#color-3 + label span {
  background-color: #f1c40f;
}
.custom-radios input[type="radio"]#color-4 + label span {
  background-color: #e74c3c;
}
/* Valgt tilstand: hvitt hakemerke (inline SVG, ikke ekstern fil) + ring rundt sirkelen.
   Det gamle ikonet la pa s3-us-west-2.amazonaws.com/s.cdpn.io og gir na 403. */
.custom-radios input[type="radio"]:checked + label span {
  opacity: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='none' stroke='%23ffffff' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round' d='M5 12.5l4.5 4.5L19 7'/></svg>");
  box-shadow: 0 0 0 3px #ffffff, 0 0 0 5px #333333;
  transform: scale(1.06);
}
.custom-radios input[type="radio"]:checked + label + label {
  font-weight: 700;
}