#intro p{ text-align:justify;}


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

#e4{display:none;}
#examples .eqt td{padding:0.2em 0;}

#example1 .showbut, 
#example2 .showbut, 
#example4 .showbut{margin-left:3em;}

#example3 .eqt .lside{text-align:left; width:23em;}

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

.question input{width:2em;}

.ls{width:15em;}

#q1form .ls{width:9em;}
#q4form .ls{width:8em;}

#q9form input, 
#q10form input{width:3em;}