form div{
	position:absolute;
	z-index:38;
}

.w{	/*wrong*/
	border: 1px solid red;	
}

.type-frac .sz{
	text-align:center;
	font-size:14px;
}
.type-frac .n{
	text-align:center;
	font-size:14px;
}

.type-frac input{
	border: 1px solid #DDD;
}

.lig{
	border: 1px solid #DDD;
}

.ligw{	/*wrong*/
	border: 1px solid red;	
}

.type-frac .ligw{	/*wrong*/
	border: 1px solid red;	
}