.d-radio-button {
  position: relative;
  display: inline-block;
  margin: 4px;
}
.d-radio-button.d-focused {
  outline: thin dotted;
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}
.d-radio-button .d-radio-button-icon::before {
  display: inline-block;
  text-align: center;
  content: "\00A0";
  font-family: Times;
  border-color: #ccc;
  border-style: solid;
  border-width: 1px;
  border-radius: 0.5em;
  width: 1em;
  height: 1em;
  line-height: 1em;
  background-image: linear-gradient(to bottom, #ededed 0%, #dedede 100%);
}
.d-radio-button.d-checked .d-radio-button-icon::before {
  content: "\25CF";
  color: #555555;
}
.d-radio-button.d-disabled .d-radio-button-icon::before {
  color: #eeeeee;
}
.d-radio-button.d-disabled .d-radio-button-icon::before.d-checked .d-radio-button-icon::before {
  color: #999999;
}
.d-radio-button.d-disabled,
fieldset[disabled] .d-radio-button {
  cursor: not-allowed;
}
.d-radio-button > input[type=radio] {
  opacity: 0.01;
  position: absolute;
  top: 0;
  left: 0;
  width: 0.8em;
  height: 0.8em;
  overflow: hidden;
  font: inherit;
  cursor: pointer;
  -webkit-appearance: none;
  -moz-appearance: none;
}
.d-radio-button > input[type=radio][disabled],
fieldset[disabled] .d-radio-button > input[type=radio] {
  cursor: not-allowed;
}