/* =viewport */
.document {margin:0 auto; position:relative;}

/* =main structure */
#header{position:relative; float:left; height:100px; background:url(../img/logo.gif) no-repeat top left;}
#tools {position:relative; float:left; height:50px; margin-bottom:20px; background-color:#d0dbc3;}
#tools #book {float:left; height:50px; background:url(../img/bg_book_app.gif) no-repeat top left;}
#tools #ask {float:right; height:50px; background:url(../img/bg_ask_casey.gif) no-repeat top left;}
#footer {position:relative; float:left; height:35px; margin-bottom:20px; padding-top:20px; background:url(../img/bg_hr.gif) repeat-x top left;}

#tools_top {height:170px; background:url(../img/bg_tools.jpg) no-repeat top left;}

/* =home page */
#banner {float:left; height:250px; margin-bottom:20px; background:url(../img/bg_banner.jpg) no-repeat top left; }  

/* =section page */
#row_1 {position:relative; float:left; margin-bottom:20px;}
#row_1 #column_left {position:relative; float:left;} 
#row_1 #column_left #left_banner{height:170px;} 
#row_1 #column_right {position:relative; float:left;}
#row_1 #column_right #tools{}
#row_1 #column_right #tools{}

#row_2 {position:relative; float:left; margin-bottom:40px;}
#row_2 #column_full {position:relative; float:left;}
#row_2 #column_left {position:relative; float:left;}
#row_2 #column_right {position:relative; float:left;}
#row_2 #column_right #content{position:relative; float:left; margin:0 0 40px 0;}
#row_2 #column_right #box {float:left; padding:20px; background-color:#fff;}

#content {position:relative; float:left;}

/* =navigation */
#navigation_primary li, #navigation_secondary li{position:relative; float:left; margin:0; padding:0; list-style-type:none;}
#navigation_primary {position:absolute; right:0px; top:35px; width:590px; height:30px; background:url(../img/bg_navigation_primary.gif) no-repeat top left;}
#navigation_primary li a {position:relative; float:left; height:30px; display:block; text-indent:-9999px; overflow:hidden;}

/* =modules */
#modules {position:relative; float:left; margin-bottom:40px;}
#modules #module_1 {position:relative; float:left; min-height:250px; width:300px; margin-right:20px;}
#modules #module_2 {position:relative; float:left; min-height:250px; width:300px; margin-right:20px;}
#modules #module_3 {position:relative; float:left; min-height:250px; width:300px;}

/* =footer */
#footer #copyright {float:left;}
#footer #links {float:left; margin:0 0 0 95px;}
#footer #echidna {float:left; margin:0 0 0 95px;}