.tex-ex1 {
	font-size: 10px;
	line-height: 1.4em;
	padding-left: 7px;
	border-bottom-width: 1px;
	border-bottom-style: solid;
	border-bottom-color: #CCCCCC;
	border-left-width: 1px;
	border-left-style: solid;
	border-left-color: #CCCCCC;
}

.tex-ex2 {
	font-size: 10px;
	line-height: 1.6em;
	padding-left: 7px;
	border-bottom-width: 1px;
	border-bottom-style: solid;
	border-bottom-color: #CCCCCC;
}

.tex-ex3 {
	font-size: 10px;
	line-height: 1.6em;
	padding-left: 7px;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-right-style: solid;
	border-bottom-style: solid;
	border-right-color: #CCCCCC;
	border-bottom-color: #CCCCCC;
}