.matrix{
 margin-bottom: 2em;
 border-collapse:collapse;
 border:1px solid #CCCCCC;
}

 td#case1{width:80px;}
 td#case2{width:350px;}
 td#case3{width:180px;}


 td.left {text-align:left;}
 td.right {text-align:right;}

 td.indent {text-align:left padding:10em;}