st-radio-button {
  position: relative; }
  st-radio-button .st-radio-button {
    position: absolute;
    left: -9999em;
    top: -9999em; }
  st-radio-button .st-radio-button + label {
    float: left;
    padding: .5em 1em;
    cursor: pointer;
    border: var(--st-radio-button-border, 1px solid #28608f);
    margin-right: -1px;
    color: var(--st-radio-button-color, #fff);
    background-color: var(--st-radio-button-background-color, #428bca); }
  st-radio-button .st-radio-button:checked + label {
    background-color: var(--st-radio-button-checked-background-color, #3277b3); }