/*#intro p{ text-align:justify;}*/
#intro .centerb{text-align:left; width:38%; margin-bottom:2em;}
.it1 td{padding: 0.2em 0.3em;}
.it1 .lside{text-align:right;}
.centerb .head{margin:0.3em; font-style:italic;}


/* ---------- Examples -------------- */




/* ---------- Exercises ------------- */

.question input{width:3em;}

.ls{width:15em;}


#q3form .ls{width:21em;}