.hideradio{ /* HIDE RADIO */
    visibility: hidden; /* Makes input not-clickable */
    position: absolute; /* Remove input from document flow */
}
.imgradio label > input + img{ /* IMAGE STYLES */
    cursor:pointer;
    border:2px solid transparent;
}
.imgradio label > input:checked + img{ /* (RADIO CHECKED) IMAGE STYLES */
    border:2px solid #f00;
}