/*#intro p{ text-align:justify;}*/

#intro .centerb{
	border: 1px solid black;
    display: inline-block;
    padding: 0.5em 1em;
	
	width:50%; 
	margin-top:2em;
}


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


#show3a,
#show4a{clear:both;}

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

.question input{width:3em;}

.ls{width:12em;}


h2{clear:both;}


.ilpic{margin-right:3em;}

.ilp {
    display: inline-block;
    vertical-align: middle;
}