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

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

/* ************* fraction ***************** */
.type-frac input{
	height:17px;
	text-align:center;
	font-size:10px;
	border: 1px solid #DDD;
}
.type-frac .sz{
	border-bottom:1px solid black;
}
/*.type-frac .n{}*/
.type-frac .e input{
	height:24px;
	font-size:14px;
}