form{	margin: 20px; padding: 0; border: solid #99a; border-width: 0 1px;}
div.row{	clear: both; border: solid #99a; border-width: 1px 0; background: #dde;}
fieldset{background: #dde;}
form label{	float: left; width: 25%; text-align: right; margin: 3px; padding: 2px;}
legend, label{font-weight: bolder;}
.ex{	display: none;}