.wrop{border-collapse:collapse;}
.wrop .line td{border-bottom-width:1px; border-bottom-style:solid; border-color:black;}
.wrop .line td:first-child{padding-right:1em;}
#examples .ex .line td{border-color:#e87816;}
#examples .ex .line td{border-color:inherit;}
#exercises .question .line td{border-color:blue;}


#ti1 td{padding:0px 10px;}

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

#example2 .ex{width:25%;}


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

.question input{width:3.5em;}

#q2form .parttitle{padding-top:1ex;}
#q2form .fractioni input{width:2.7em;}

#q3form .vam{vertical-align:middle;}
#q3form input{margin-left:3em;}

.pscontainer{ float: left; width: 145px; height: 45px; position: relative;}
.type-ps{position:absolute; width:145px; height:45px; float:left; cursor:pointer; z-index:300;}
#ps4a_1{ }
.pscontainer .bg{position:absolute; z-index:1; top:20px;}
.obj{position:absolute; top:20px; z-index:200; display:none; font-weight:bold;}

#q4form .left{width:7em;}

#q5form input{width:4em;}

#q6form .ls{width:7em;}

#q8form .ls{width:12em;}

#q11form img.right{margin-right:20%;}

#q13form img.left{padding-right: 5%;}