TAG
CSS
Result
Run
<input type="checkbox" name="group1" checked="checked" /><label>Checked</label> <input type="checkbox" name="group1" /><label>Unchecked</label> <input type="radio" name="group2" checked /><label>Checked</label> <input type="radio" name="group2" /><label>Unchecked</label>
input:default { box-shadow: 0px 0px 2px 1px #FF0000; }
Console
expand_less