red border around error class
HTML
<div class="error">
<input type='checkbox'><label>Some label</label><br /><input type='text'>
</div>
<input type='checkbox'><label>Some label</label><br /><input type='text'>
CSS
.error input{
border-style: solid;
border-color: #c00;
border-width: 2px;
display: inline-block;
}
.error input[type=checkbox]
{outline: 2px solid #c00;}
input[type=checkbox] { background:transparent;border:0; margin-top: 2px;}