Use images instead of radio buttons

Question

If I have a radio group with buttons:

... how can I show only images in the select option i

Answer 1

Just using a class to only hide some...based on https://stackoverflow.com/a/17541916/1815624

/* HIDE RADIO */
.hiddenradio [type=radio] { 
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

/* IMAGE STYLES */
.hiddenradio [type=radio] + img {
  cursor: pointer;
}

/* CHECKED STYLES */
.hiddenradio [type=radio]:checked + img {
  outline: 2px solid #f00;
}