check this shniz out
I think it will help you out
or
html
<input type='checkbox' name='thing' value='valuable' id="thing"/><label for="thing"></label>
css
input[type=checkbox] {
display:none;
}
input[type=checkbox] + label
{
background: #999;
height: 16px;
width: 16px;
display:inline-block;
padding: 0 0 0 0px;
}
input[type=checkbox]:checked + label
{
background: #0080FF;
height: 16px;
width: 16px;
display:inline-block;
padding: 0 0 0 0px;
}