#intro1{border:1px solid black; padding:20px; margin:0 auto; width:72%;}



/* ------------------------ */

.center{margin:0 auto;}


.numbers{margin-bottom:10px;}
.numbers td{width:35px; text-align:center;}
.numbers .bordered{border:1px solid;}
.numbersw td{width:75px;}



.bawt .lside{text-align:right; padding-left:10px;}

#example2 .ex{width:600px;}
.e2at td{width:65px;}
#example2 .e2at td{width:90px; font-size:12px;}

#example3 .ex{width:600px;}
#e3t{border-collapse:collapse;}
#e3t td{border:1px solid red; padding:3px 8px;}

/* --------------------------- */

.question input{width:3em;}
.question .fraction input{width:1.5em;}
.question .fractioni input{width:1.5em;}
.question .vector input{width:1.3em;}

.qpic{vertical-align:middle;}

.question .numbers td{text-align:left;}


.q6t{border-collapse:collapse;}
.q6t td{border:1px solid blue; padding:4px 10px;}
.solution .q6t td{border:1px solid black;}