<div class="radio-group">
<input type="radio" id="color1" name="color" checked>
<label for="color1" data-color="blue"></label>Blue
<input type="radio" id="color2" name="color">
<label for="color2" data-color="pink"></label>Pink
<input type="radio" id="color3" name="color">
<label for="color3" data-color="green"></label>Green
<input type="radio" id="color4" name="color">
<label for="color4" data-color="yellow"></label>Yellow
<input type="radio" id="color5" name="color">
<label for="color5" data-color="red"></label>Red
</div>
<div class="radio-group">
<input type="radio" id="size1" name="size">
<label for="size1" data-size="large"></label>
<input type="radio" id="size2" name="size" checked>
<label for="size2" data-size="medium"></label>
<input type="radio" id="size3" name="size">
<label for="size3" data-size="small"></label>
</div>
<div class="radio-group">
<input type="radio" id="female" name="gender">
<label for="female"></label>Female
<input type="radio" id="male" name="gender">
<label for="male"></label>Male
<input type="radio" id="other" name="gender" checked>
<label for="other"></label>Other
</div>
<div class="radio-group">
<input type="radio" id="top" name="placement">
<label for="top"></label>Top
<input type="radio" id="start" name="placement">
<label for="start"></label>Start
<input type="radio" id="end" name="placement" checked>
<label for="end"></label>End
<input type="radio" id="bottom" name="placement">
<label for="bottom"></label>Bottom
</div>