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

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




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

.question input{width:3em;}

.ls{width:25em;}


#q3form input{width:4em;}
#q5form .ilpic{margin-right:4em;}

#q7form .ls{width:18em;}