.ls {width:12em;}
.rs {width:6em;}


#ti2 td{
	text-align:right;
}

.ex.hidden {
    visibility: hidden;
    padding: 0.1em 0.6em;
}
td.exi {
    border: 1px solid black;
}
#example1 .ls{width:8em; vertical-align: middle;}


.ch{
	display:inline-block;
	vertical-align:middle;
	text-align:center;
	border:1px solid #e4e4e4;
	cursor:pointer;
	width:2em;
	height:1.5em;
	line-height:1.5em;
	font-size:150%;
}
.type-ch{display: inline-block;}


#q1form .ls{width:14em;}

#q3form .wider{width:15em;}

#q5form .ls{width:8em;}

#q6form .ls{width:9em;}