.eq{padding:0px 5px;}

.but{padding:0px 20px;}

#exercises{clear:both;}
#exercises form{clear:both;}

#examples h2{clear:both;}

.wfrac{padding-top:15px;}

#examples th{ font-weight:normal;}
#exercises th{ font-weight:normal;}


#intro1{margin-left:60px;}
#intro1 p{margin:10px 0px 5px;}
#intro1 th{ font-weight:normal; text-align:left; width:30px;}
#introp1{font-style:italic;}
#introt1{font-style:italic; margin-left:60px;}
#introt2{margin-left:150px;}


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

.e1q{margin-left:30px;}


#examples .partdelim{height:5px;}
.show{display:none;}
#examples .ex{font-size:14px;}
#examples th{ width:30px;}

#show1a{width:500px; padding:20px;}
#show1a .equation{padding-left:60px;}
#show1a .note{padding-top:10px;}
.eqor{padding-left:30px;}
#ex1i{text-align:center; padding:5px 0px;}

#show2a{width:500px; padding:20px;}
#show2a .equation{padding-left:60px;}
#show2a .note{clear:both;}
#e2e1{float:left; width:50%;}
#e2e2{float:right; width:50%;}
#ex2i{float:right; margin-left:10px; margin-bottom:10px;}

#show3a{width:100%; padding:20px;}
.method_num{font-weight:bold; font-size:larger;}
.method_title{font-style:italic;}
.method1{float:left; width:49%; border-right:1px solid red;}
.method2{float:right; width:49%;}
#e3eq1 table{margin-left:3em;}
#e3eq2 table{margin-left:5em;}
#show3a .ul td{border-bottom:1px solid red;}
#show3a table{border-collapse:collapse;}
#show3a table .comment{text-align:center;}
#show3a .method2 .equation{margin-left:30px;}

#show4a{width:100%; padding:20px;}
#e4eq1 table{margin-left:4em;}
#e4eq2 table{margin-left:6em;}
#show4a .ul td{border-bottom:1px solid red;}
#show4a table{border-collapse:collapse;}
#show4a table .comment{text-align:center;}
#show4a .method2 .equation{margin-left:30px;}

#show5a{width:100%; padding:20px;}
#e5eq1 table{margin-left:4em;}
#e5eq2 table{margin-left:6em;}
#show5a .ul td{border-bottom:1px solid red;}
#show5a table{border-collapse:collapse;}
#show5a table .comment{text-align:center;}
#show5a .method2 .equation{margin-left:30px;}


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


.question input{width:2em;}

.question .coordinates{width:5em;}
.question .eqin{width:5em;}


#g1a{background:url('fb3.png') no-repeat; float:left;}
#q1a{padding:10px 0px;}
#q1a .but{padding-left:310px; padding-top:140px;}
#q1b{padding-left:330px; padding-top:50px;}

#g2a{background:url('fb3.png') no-repeat; float:left;}
#q2a{padding:10px 0px;}
#q2a .but{padding-left:310px; padding-top:140px;}
#q2b{padding-left:330px; padding-top:50px;}

#q3form .equation{margin-top:15px; margin-left:30px;}
#g3a{background:url('fb1.png') no-repeat; float:left;}
#q3a .but{padding-left:310px; padding-top:140px;}
#q3b{padding-left:330px; padding-top:60px;}

#q4form .equation{margin-top:15px; margin-left:30px;}
#g4a{background:url('fb1.png') no-repeat; float:left;}
#q4a .but{padding-left:310px; padding-top:140px;}
#q4b{padding-left:330px; padding-top:60px;}

#q5eqs{padding-left:150px;}
#q5eqs input{margin:5px;}
#q5form input{width:8em;}
#g5b{background:url('fb5.png') no-repeat; float:left;}
#q5b{padding:10px 0px;}
#q5b .but{padding-left:310px; padding-top:140px;}
#q5c{padding-left:330px; padding-top:60px;}

#q6i{text-align:center;}
#q6form input{width:8em;}

#q7form .equation{margin:0 auto;}

#q8form .eqt{float:left;}
.q8s{padding:10px 0px 0px 22%;}

#q9form .equation{margin:0 auto;}

#q10form .eqt{float:left;}
.q10s{padding:10px 0px 0px 22%;}

#q11i{text-align:center;}
#q11t th{vertical-align:top;}
#q11form .equation{margin:0 auto;}
#q11t .in{padding-bottom:10px;}
.q11s{padding-left:30px;}
#q11form input{margin:1px 0px;}

#s11d .ul td{border-bottom:1px solid black;}
#s11d .equation{border-collapse:collapse;}

#g11c{background:url('fb6.png') no-repeat; float:right;padding-top:5px;width:285px;height:285px;}
#q11c{padding:10px 0px;}
#q11c .but{padding-left:310px; padding-top:140px;}
#q11form .partdelim2{height:25px;}
#q11form .w50{width:50%;}


#q12ei{text-align:center; padding:5px 0px;}
#q12form .partbody{padding-bottom:10px;}
.q12s{padding:5px 0px 0px 30px;}
.q12s input{width:5em;}
#e12e{margin:0 auto;}
#q12form .equation{margin:0 auto;}
.solution p{padding-bottom:5px;}

#g12c{background:url('s5q12.png') no-repeat; float:right; padding-top:6px; width:285px; height:285px; }
#q12form .w50{width:50%;}