.matrix{
	 border-collapse: collapse;
}
.matrix td{
	border:1px solid black;
	cursor:pointer;
}


.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;
}

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

.w{
	border: 1px solid red;	
}