div#contenido form{height:300px;overflow:auto;}
div#izda,div#dcha{width:300px;border:1px solid #666;padding:1em;}
div#izda h3,div#dcha h3{margin-bottom:2em;}
div#izda{float:left;}
div#dcha{margin-left:360px;}
.popup{border:1px solid #ccc;margin-top:-1em;margin-bottom:1em;display:none;}
label img{margin-left:1em;vertical-align:middle;}