body{background:#fff}@font-face{font-family:'archivo_narrowregular';src:url('/stylesheets/fonts/archivonarrow-regular-webfont.eot');src:url('/stylesheets/fonts/archivonarrow-regular-webfont.eot?#iefix') format('embedded-opentype'),url('/stylesheets/fonts/archivonarrow-regular-webfont.woff') format('woff'),url('/stylesheets/fonts/archivonarrow-regular-webfont.ttf') format('truetype'),url('/stylesheets/fonts/archivonarrow-regular-webfont.svg#archivo_narrowregular') format('svg');font-weight:normal;font-style:normal}@font-face{font-family:'archivo_narrowbold';src:url('/stylesheets/fonts/archivonarrow-bold-webfont.eot');src:url('/stylesheets/fonts/archivonarrow-bold-webfont.eot?#iefix') format('embedded-opentype'),url('/stylesheets/fonts/archivonarrow-bold-webfont.woff') format('woff'),url('/stylesheets/fonts/archivonarrow-bold-webfont.ttf') format('truetype'),url('/stylesheets/fonts/archivonarrow-bold-webfont.svg#archivo_narrowbold') format('svg');font-weight:normal;font-style:normal}@font-face{font-family:'icomoon';src:url('/stylesheets/fonts/icomoon.eot');src:url('/stylesheets/fonts/icomoon.eot?#iefix') format('embedded-opentype'),url('/stylesheets/fonts/icomoon.woff') format('woff'),url('/stylesheets/fonts/icomoon.ttf') format('truetype'),url('/stylesheets/fonts/icomoon.svg#icomoon') format('svg');font-weight:normal;font-style:normal}[class*="icon-"]{font-family:'icomoon';speak:none;font-style:normal;font-weight:normal;font-variant:normal;text-transform:none;line-height:1;color:white;opacity:.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px}.icon-menu:before{content:attr(data-icon)}.icon-search{padding-left:5px}*,*:before,*:after{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}body,.container,.container a{font-family:'archivo_narrowregular',arial,helvetica,sans-serif}.main.container{margin-top:20px}.container h1,h2,h3{font-family:'archivo_narrowregular',helvetica,sans-serif;color:#999;margin:0}.bbtwrapper,.well img{-webkit-box-shadow:0 5px 8px -6px rgba(0,0,0,0.75);-moz-box-shadow:0 5px 8px -6px rgba(0,0,0,0.75);box-shadow:0 5px 8px -6px rgba(0,0,0,0.75)}.whitewrapper{-webkit-box-shadow:0 4px 3px -3px rgba(0,0,0,0.55);-moz-box-shadow:0 4px 3px -3px rgba(0,0,0,0.55);box-shadow:0 4px 3px -3px rgba(0,0,0,0.55);border-radius:5px;background:url(//www.nap.edu/images/fff-bg.png) top left;padding:20px 10px 20px 10px;border:1px solid #ccc;font-family:'archivo_narrowregular',helvetica,sans-serif;margin-bottom:10px}.bbtwrapper{padding:10px 10px 30px 10px;background:url(//www.nap.edu/images/fff-bg.png) top left;border:1px solid #ccc;margin-bottom:25px;border-radius:5px}.bbt{width:33%}.mynap-btn-on{background:url(//www.nap.edu/images/homesprites.png) no-repeat 0 -420px;width:60px;padding-right:60px;padding-bottom:25px}.ww-inner{position:absolute;left:70px;padding-right:10px;right:10px;top:15px}h3.rfy-header{color:#ccc;font-size:1.5em;margin-left:10px;margin-bottom:15px}.rfy-vm{font-size:13px;position:absolute;right:20px;top:5px}.bbt-btn,.vat-btn{color:#369;font-size:15px;padding-bottom:0;min-height:64px}.bbt-btn,.vat-btn{min-height:52px\9}.bbt-btn:hover,.val-btn:hover{background:#ccc;color:#333;cursor:pointer}.mynap-btn-off{background:url(//www.nap.edu/images/homesprites.png) no-repeat 5px -500px;position:absolute;right:25px;top:5px;width:45px;height:50px;opacity:.7}.ww-innerbbt{position:absolute;left:30px;top:21px;padding-right:10px;right:10px;vertical-align:middle}.topic-icon{margin-right:10px;margin-top:2px;opacity:.6;width:2em;height:2em;float:left;display:inline;fill:currentColor;background-size:100%}.topic-active{opacity:.2}.topic-img>svg.topic-icon{width:4em;height:4em}.topicindexicon>svg.topic-icon{width:5em;height:5em}.topic-icon.topic-276{color:#285014}.topic-icon.topic-277{color:#da3626}.topic-icon.topic-292{color:#aa8c00}.topic-icon.topic-278{color:#509600}.topic-icon.topic-279{color:#2850a0}.topic-icon.topic-280{color:#78003c}.topic-icon.topic-281{color:#957850}.topic-icon.topic-282{color:#278c50}.topic-icon.topic-283{color:#5a3c1e}.topic-icon.topic-284{color:#505a64}.topic-icon.topic-285{color:#006464}.topic-icon.topic-286{color:#da7826}.topic-icon.topic-287{color:#812881}.topic-icon.topic-288{color:#016496}.topic-icon.topic-289{color:#775120}.topic-icon.topic-290{color:#5050a0}.topic-icon.topic-423{color:#c69531}.topic-icon.topic-293{color:#aa1414}.topic-icon.topic-294{color:#b45078}.topic-icon.topic-478{color:#85c9e8}.rfy{position:relative;height:150px}.booktree .col-md-2{width:25% !important}.rfy:last-child{border-bottom:0}h4.rfy-title{margin-left:120px;font-size:14px;height:130px;overflow:hidden;line-height:1.3em;font-family:'archivo_narrowregular',helvetica,sans-serif}.rfy img{position:absolute;border:1px solid #ccc;-webkit-box-shadow:7px 5px 7px -6px rgba(0,0,0,0.75);-moz-box-shadow:7px 5px 7px -6px rgba(0,0,0,0.75);box-shadow:7px 5px 7px -6px rgba(0,0,0,0.75)}.rfy:hover img{opacity:.8}.well:hover img{opacity:.8}span.arrow{background:url(//www.nap.edu/images/homesprites.png) no-repeat 0 -114px;width:40px;line-height:40px;vertical-align:middle;padding-right:20px}.btn-redflat,.btn-redflat:hover,.btn-redflat:active{color:white;text-shadow:0 -1px 0 rgba(0,0,0,0.25);background:#bf7068}.btn-redflat{background:#ad645d}.btn-redflat:hover{background-position:0 -15px}.btn-subsribe,.btn-subsribe:active{color:white;text-shadow:0 -1px 0 rgba(0,0,0,0.25);background:#333}.btn-subscribe{background:#333;border-radius:4px;border:1px solid #333}.btn-subscribe:hover{background-position:0 -15px}ul.browsetopics{margin:0;padding:0;list-style:none}.browsetopics li{list-style:none;font-family:'archivo_narrowregular',helvetica,sans-serif;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:32px}.browsetopics a{font-size:120%}.browsetopics a:hover{opacity:.8}h3.bbt-header{font-size:1.5em;margin-left:10px;margin-bottom:15px}h2.ft,h2.sc,h2.mm{margin-top:15px;margin-bottom:15px;border-bottom:1px solid #ccc;font-size:25px}h4.mm{font-family:'archivo_narrowregular',helvetica,sans-serif;font-size:15px;color:#666;padding:10px;text-align:left;margin:0}.col-mm p{padding:10px}h6.mm-type{font-size:15px;margin:0;padding:10px 0 0 10px;font-family:'archivo_narrowregular',helvetica,sans-serif}.mm-outer{background:#fff;border:1px solid #ccc;border-radius:4px;height:230px;position:relative;margin-bottom:23px}.mm-inner{height:85px;overflow:hidden}a.video .play{background:url(//www.nap.edu/images/icon-play.png) no-repeat center 40px;-moz-opacity:.60;opacity:.60;filter:alpha(opacity=60);display:block;position:absolute;z-index:100;width:100%;height:80px}a.video:hover .play{background:url(//www.nap.edu/images/icon-play.png) no-repeat center 40px;-moz-opacity:.90;opacity:.90;filter:alpha(opacity=90);display:block;position:absolute;z-index:100;width:100%;height:80px}.ft h4{font-family:'archivo_narrowregular',helvetica,sans-serif;font-size:15px;color:#666;height:50px}.rfy-titles>div>h4{font-family:'archivo_narrowregular',helvetica,sans-serif;font-size:15px;color:#666;height:100%;padding:0 10px}h4.sc{font-family:'archivo_narrowregular',helvetica,sans-serif;font-size:18px;min-height:40px;max-height:40px;text-align:center;text-transform:uppercase}.sc-vm,.nr-vm{font-size:14px}.sc-desc{padding:0 10px 10px 10px;margin:0;max-height:150px;display:block}.sc-desclast{padding:0 10px 10px 10px;margin:0;height:150px;display:block}.sc,p{font-family:'archivo_narrowregular',helvetica,sans-serif}.sc-outer{background-color:#fff;position:relative;height:250px;border:1px solid #ccc;border-radius:4px;margin-top:10px;cursor:pointer}.sc-inner{background-color:#369;opacity:.8;color:white;position:absolute;top:190px;height:250px;width:100%}.sc-inner:hover{cursor:pointer}.col-sc{overflow:hidden;height:250px}.sc-link{text-align:right;border-top:1px solid white;color:white;padding:3px 10px 10px 0;position:absolute;bottom:0;right:0;width:100%}.sc-link a{color:white}.well img{max-height:225px;margin:auto 0;border:1px solid #bdbdbd}.ft .well{height:340px;font-family:'archivo_narrowregular',helvetica,sans-serif}.well img{max-height:240px;margin-left:auto;margin-right:auto;padding:6px;background:#fff}.web-price{font-size:18px;color:#369;font-family:'archivo_narrowregular',helvetica,sans-serif;padding-right:10px}.list-price{font-size:11px;color:#999;font-family:'archivo_narrowregular',helvetica,sans-serif;text-decoration:line-through}.btn-cart{padding-left:30px;background-image:url(//www.nap.edu/images/icon-cart.png);background-repeat:no-repeat;background-position:4px center;background-color:transparent;border-color:transparent;color:#369;border-radius:5px;text-align:left;font-size:12px}.btn-cart:hover,.btn-cart:active,.btn-cart:focus{color:#999;background-color:transparent;border-color:transparent;opacity:.8}.well{padding:15px !important}.price{padding-left:0 !important}.row-cartbtn{position:absolute;bottom:30px;width:80%}.row-cartbtn{bottom:20px\9}.ql a,.ql-3{font-family:'archivo_narrowregular',helvetica,sans-serif}.ql-3{border-right:0}h4.ql-hdr{font-family:'archivo_narrowregular',helvetica,sans-serif;font-size:18px;color:#999;overflow:hidden;text-overflow:ellipsis;min-width:100px}.ql-hdr{font-size:16px;color:#999;height:40px;line-height:40px;vertical-align:middle;border-bottom:1px solid #ccc}.ql-inner{margin-top:10px}.connect{background:url(//www.nap.edu/images/homesprites.png) no-repeat 0 -5px;padding-left:30px}.request{background:url(//www.nap.edu/images/homesprites.png) no-repeat 0 -38px;padding-left:30px}.visit{background:url(//www.nap.edu/images/homesprites.png) no-repeat 0 -70px;padding-left:30px}.ql-subscribe input{width:250px}.clip{position:absolute;top:0;left:0}.ql-fb{clip:rect(174px 36px 211px 0);top:-172px}.ql-tw{clip:rect(211px 36px 250px 0);top:-211px}.ql-gp{clip:rect(250px 36px 288px 0);top:-250px}.ql-li{clip:rect(288px 36px 329px 0);top:-288px}.ql-p{clip:rect(329px 36px 370px 0);top:-329px}.ql-rss{clip:rect(374px 36px 410px 0);top:-370px}.clip-wrapper{position:relative;height:48px;width:48px;padding-right:40px}.clip-wrapper:hover{opacity:.3}.ql-vm{padding-top:30px;vertical-align:middle;line-height:30px}#bbt-sidebar{font-family:'archivo_narrowregular',helvetica,sans-serif;z-index:110;background:#fff;width:316px;-webkit-overflow-scrolling:touch;top:0;bottom:0;left:0;position:fixed;overflow-y:hidden;overflow-x:hidden;display:none;-webkit-box-shadow:9px 0 6px -9px rgba(0,0,0,0.75);-moz-box-shadow:9px 0 6px -9px rgba(0,0,0,0.75);box-shadow:9px 0 6px -9px rgba(0,0,0,0.75)}#bbt-sidebar nav,#bbt-sidebar ul,#bbt-sidebar li,#bbt-sidebar h3{display:block}#bbt-sidebar-inner{width:300px}#bbt-sidebar ul{padding:0 20px 20px 15px !important;margin-top:10px;top:150px;left:0;bottom:0;position:absolute;overflow-y:auto;overflow-x:hidden;width:315px}#bbt-sidebar li{border-bottom:1px solid #efefef;line-height:34px;vertical-align:middle;height:34px;white-space:nowrap;max-width:280px;overflow:hidden}#bbt-sidebar li.active{font-size:15px;color:#999}#bbt-sidebar li img{border:1px solid #333;border-radius:2px}h3.bbt-hdr{background:#00679f;color:#fff;padding:10px 10px 10px 23px;font-size:18px;height:40px;vertical-align:middle;line-height:28px;overflow:hidden;position:absolute;top:100px;width:100%}h3.bbt-search-hdr{background:#00679f;color:#fff;padding:10px 10px 10px 23px;font-size:18px;height:40px;vertical-align:middle;line-height:28px;overflow:hidden;position:absolute;top:0;width:100%}#bbt-searchtop{position:absolute;top:50px;overflow:hidden;left:15px}#bbt-sidebar li a{color:#369;font-size:15px}.close{color:white !important;opacity:.5}.overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;z-index:10;background-color:rgba(0,0,0,0.5)}#inputsearch{font-family:'archivo_narrowregular',helvetica,sans-serif;color:#555;border:1px solid #ccc;width:73%;padding:10px 10px 10px 10px;vertical-align:top;line-height:20px;_padding-top:5px;float:left;display:inline !important;border-radius:0;font-size:16px}.btn-searchhome{float:right;display:inline;width:26%;font-family:'archivo_narrowregular',helvetica,sans-serif;border:1px solid #930;height:43px;text-wrap:suppress;word-break:keep-all;overflow:hidden;padding:5px}.btn-searchhome-xs{display:none}.searchouter{margin-bottom:10px;padding:10px;background:#fff;border:1px solid #ccc}.searchouter .filters-row{margin-top:10px;padding-top:10px;border-top:1px solid #efefef}.twitter-typeahead{width:100%;float:left}.twitter-typeahead .tt-dropdown-menu{background-color:white;border:1px solid #ccc;-webkit-border-radius:3px;-moz-border-radius:3px;border-radius:3px;-webkit-box-shadow:0 5px 8px -6px rgba(0,0,0,0.75);-moz-box-shadow:0 5px 8px -6px rgba(0,0,0,0.75);box-shadow:0 5px 8px -6px rgba(0,0,0,0.75);width:100%;padding:0;max-height:250px;overflow-y:auto}.twitter-typeahead .tt-hint{padding:10px;color:#ccc;font-size:16px;line-height:20px;border:1px solid transparent;width:73%}.twitter-typeahead .tt-suggestion{height:36px;font-size:14px;color:#999;vertical-align:bottom;overflow:hidden}.twitter-typeahead .suggestion-inner{padding:10px}.twitter-typeahead .suggestion-inner p{white-space:nowrap}.twitter-typeahead .tt-cursor{background:#369;color:white}.twitter-typeahead .img-container{background-color:#fff;overflow:hidden;width:26px;height:26px;display:inline-block;float:left;margin-right:10px;margin-top:-5px;border:2px solid #efefef}.twitter-typeahead .img-container img{width:100%}.twitter-typeahead .tt-cursor .img-container{border:2px solid transparent}.fill-tile .fill-inner{display:table-cell;vertical-align:middle;height:340px}.fill-tile .fill-text{font-size:120%}.nonvideo{min-height:80px}.mm-desc{max-height:120px}.mm-desclast{height:120px;display:block}.spelling{padding:0 12px 6px}span.filter-icon{color:#000;opacity:1.0}span.filter-title{position:absolute;left:53px}.filter-caret{position:absolute;right:20px;margin-top:7px}.search-filters a{display:block}ul.main-filter{list-style:none;padding:0}ul.sub-filter{list-style:none;padding:6px 8px;font-size:13px;border-top:1px solid #efefef;border-bottom:1px solid #efefef}ul.main-filter li>a{padding:3px 0}ul.main-filter li.active{margin:0 -15px;padding:3px 10px;border-left:5px solid #369}ul.sub-filter li>a{padding:2px 0}ul.sub-filter li.active{margin:0 -23px;padding:2px 18px;border-left:5px solid #48c}.panel-group .panel.panel-inverse{-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}#term-cloud .s1{opacity:.4}#term-cloud .s2{opacity:.6}#term-cloud .s3{opacity:.8}#term-cloud .s4{font-weight:bold}.panel-inverse .filter-icon{color:white}.panel-inverse>.panel-heading{background-color:#333;color:#efefef;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0}.panel-inverse h4.panel-title{font-family:"archivo_narrowregular",Arial,Helvetica,sans-serif;font-size:16px}.panel-default>.panel-heading{color:#333;background-color:#FFF;border-color:#DDD}.panel-title>a{text-decoration:none;display:block}.panel-title>a:hover{opacity:.5}h1.search-term-heading{font-size:24px;color:#999;padding:15px 0;border-bottom:1px solid #efefef}#no-results h2,#no-results h3{padding:10px 0}#no-results li{font-size:18px;line-height:1.4}h1.search-term-heading .search-term,#no-results .search-term{color:#333}.active-filters,.pagination-heading{color:#999;font-size:14px;padding:6px 0;border-bottom:1px solid #efefef}.active-filters .col-md-10{padding-left:0}span.active-filter{display:inline-block;padding:4px 8px;background-color:#efefef;color:#666;-webkit-border-radius:3px;-moz-border-radius:3px;border-radius:3px;margin-left:8px}.active-filter .icon-menu{margin-right:6px}.active-filter .clear-filter{font-size:20px;color:#999;opacity:.8;cursor:pointer;margin:0 0 0 6px;font-weight:bold}.filter-label-sm{display:none}.active-filter .clear-filter:hover{opacity:1;text-decoration:none}.clear-all-filters{float:right;line-height:36px}.sort-btn{font-size:13px}.explore-btn{margin-top:10px;font-size:13px;color:#666;text-align:left}.explore-btn .icon-menu{color:#666;padding:0;margin:0 4px 0 10px;font-size:12px;opacity:1}.explore-btn .caret{margin:7px 8px 0 0;position:absolute;right:0}.topic-block{padding:20px;background:rgba(255,255,255,0.5);border:1px solid #ccc;margin:10px 0 10px 0;border-radius:5px}.topic-block h4{font-size:20px}.topicindexicon{width:80px}nav.subtopics ul{display:inline-block;list-style:none;padding:10px 0}nav.subtopics li{display:inline;color:#999}nav.subtopics li a{font-size:16px;line-height:1.75em}.heading.row{margin-top:20px;border-bottom:1px solid #efefef}.heading.row p{font-size:16px;margin-top:10px}.topic-hdr{color:#333;font-size:25px;height:auto;min-height:65px;margin-bottom:0;display:block;padding:16px 0 16px 80px}.topic-img img{max-width:70px;height:auto}.nav-tabs>li{float:left;margin-bottom:-1px}.nav-tabs>li>a{margin-right:2px;line-height:1.42857143;border:1px solid #ddd;border-radius:4px 4px 0 0}.nav-tabs>li>a:hover{border-color:#eee #eee #ddd}.nav-tabs>li>a{margin-right:2px;line-height:1.42857;border:1px solid transparent;border-radius:4px 4px 0 0;background:#333;color:#fff}.nav>li>a{position:relative;display:block;padding:10px 15px}.nav-tabs>li>a:hover{border-color:#eee #eee #ddd;background:#666}.nav-tabs>li.active>a,.nav-tabs>li.active>a:hover,.nav-tabs>li.active>a:focus{background-color:#fff;border:1px solid #ddd;border-bottom-color:transparent;cursor:default}.top-rows .tab-content{background:#fff;border-left:1px solid #ddd;border-right:1px solid #ddd;border-bottom:1px solid #ddd;margin-bottom:10px}#topichome{padding:0 0 10px}#searchtopic .searchouter{margin-bottom:0;border:0}.browsetopics_inline{padding:10px 0 10px 10px}.browsetopics_inline li{display:inline;float:left;border:1px solid #efefef;border-radius:4px;background:#efefef;margin:5px;padding:5px 5px 5px 15px}.browsetopics_inline li:hover{background:#efefef;border:1px solid #ccc}.browsetopics_inline li a{font-family:"archivo_narrowregular",Arial,Helvetica,sans-serif;font-size:14px}li.link-subtopic a{margin-right:10px;display:block}li.link-subtopic a:hover{text-decoration:none}li.link-subtopic.active{display:block;background-color:#369;color:white}li.link-subtopic.active:hover{background-color:#369;color:white}li.link-subtopic.active span{margin-right:10px;cursor:default}.pagination{margin:0 !important}.pagination>li>a{color:#369}.pagination .active span{border-color:#369;background-color:#369}.pagination-row{padding:10px 0;margin-top:10px}.pagination-heading{border-bottom:1px solid #efefef}.pagination-heading .sort,.pagination-heading .viewing,.pagination-heading .per-page{height:34px;line-height:34px;padding:0}.pagination-heading .viewing{font-size:16px}h3.topics-results-hdr{text-align:left;font-size:18px;font-style:normal;margin-top:10px;margin-bottom:10px;padding:0}.pager-column{text-align:right}#recentreleases{min-height:200px}#recentreleases .col-lg-10{margin-bottom:20px;border-bottom:1px solid #efefef}#recentreleases h4{margin-bottom:10px}#recentreleases p{color:#666}.list-row{padding:20px 0;border-bottom:1px solid #efefef}.list-row strike{font-style:line-through;color:#ccc}h4.results-title{font-family:"archivo_narrowregular",Arial,Helvetica,sans-serif;margin-top:0;line-height:24px}.results-metadata{margin:10px 0}.results-author .icon-menu,.results-report-type .icon-menu,.results-topics .icon-menu{color:#999}.results-author .author-list,.results-report-type .report-type-list,.results-topics .topic-list{margin:0 0 6px 24px;display:block;font-size:13px;color:#666}.results-description{height:75px;overflow:hidden;max-width:80rem}.img-cover150{width:100%;border-radius:4px;border:6px solid white;-webkit-box-shadow:1px 1px 4px 1px #ccc;box-shadow:1px 1px 4px 1px #ccc;height:auto}.set-cover{border:0;-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none}.bookinfo{margin-top:10px;font-size:12px;color:#666}.bookinfo .status{font-family:'archivo_narrowbold',Arial,Helvetica,sans-serif;font-size:13px;font-weight:normal}.results-actions{margin:10px 0}a.dloadit,a.readit,a.saveit,a.saveit_active{display:block;line-height:30px;padding:0 0 0 35px}a.dloadit .downloads-label{background-color:#efefef;font-weight:normal;margin-left:6px;color:#333;font-size:13px}a.buyit{display:inline-block;padding:6px 12px 6px 35px;background:url("/images/icon-cart.png") 6px 6px no-repeat transparent;margin:10px 0;color:#369}a.buyit .old-price{padding-right:0}a.dloadit{background:url("/images/actions_icons.png") no-repeat scroll 0 -5px transparent}a.readit:hover{background:url("/images/actions_icons.png") no-repeat scroll 0 -96px transparent}a.readit{background:url("/images/actions_icons.png") no-repeat scroll 0 -68px transparent}a.dloadit:hover{background:url("/images/actions_icons.png") no-repeat scroll 0 -35px transparent;text-decoration:none}a.dloadit:hover span{text-decoration:underline}a.dloadit:hover span.downloads-label,a.dloadit:hover span.downloads-label span{text-decoration:none !important}a.saveit{background:url("/images/actions_icons.png") no-repeat scroll 0 -125px transparent}a.saveit:hover{background:url("/images/actions_icons.png") no-repeat scroll 0 -155px transparent}a.saveit_active{background:url("/images/actions_icons.png") no-repeat scroll 0 -186px transparent;color:#ccc}@media(max-width:480px){.sc-inner{background-color:transparent;color:#369;position:static;top:0;height:190px;width:100%}.searchinput{max-height:50px;text-wrap:none;overflow:hidden;padding-right:0;border-radius:0}.ww-innerbbt{font-size:18px}.btn-link:hover{border-color:#ccc}h4.sc{background-color:#369;color:white;font-size:14px;font-family:'archivo_narrowregular',helvetica,sans-serif;margin:0 0 10px 0;padding:5px}.sc-outer{height:210px;cursor:pointer}.sc-link{display:none}.col-sc{height:230px;overflow:hidden}.ql,.ql-3{width:100% !important;display:block !important}.mm-inner{max-height:80px;overflow:hidden;height:auto}a.video span{background:url(//www.nap.edu/images/icon-play.png) no-repeat center 20px}a.video:hover span{background:url(//www.nap.edu/images/icon-play.png) no-repeat center 20px}.rfy-vm{display:none}.img-cover150{border-radius:4px;border:2px solid #FFF;box-shadow:1px 1px 4px 1px #CCC;height:auto;min-width:50px}.bookinfo{display:none}}@media(max-width:685px){.old-price{display:inherit;margin-left:15px}.nonmynap-price,.mynap-price{display:inherit;font-size:16px;margin-left:15px !important}.main.container{padding:0;margin-top:10px}.searchinput{max-height:50px;text-wrap:none;overflow:hidden;padding-right:0;border-radius:0}.ww-innerbbt{font-size:18px}.booktree{background:0}.bbt{width:100% !important}.row-cartbtn{position:absolute;bottom:30px;width:80% !important}.ft .well{height:340px !important;font-family:'archivo_narrowregular',helvetica,sans-serif}.rfy{height:150px;padding:0 20px 0 10px;border-bottom:0;overflow:hidden}.rfy img{position:absolute;top:10px;max-width:80px}h4.rfy-title{display:inline-block;font-family:'archivo_narrowregular',helvetica,sans-serif;font-size:15px;position:relative;top:0;margin-left:91px;max-height:135px}.rfy:last-child{border-bottom:0}.ql{border:0}.mm-inner{max-height:90px}nav.subtopics ul{margin-top:15px}nav.subtopics li{display:inline-block;color:#fff;width:100%;border-top:1px solid #efefef;line-height:.85em;vertical-align:middle}nav.subtopics li a{display:block;padding-top:10px}.active-filters .col-md-10{padding:0}.pagination-heading .sort,.pagination-heading .viewing{padding:0}.pagination-heading .viewing{font-size:14px;white-space:nowrap}span.active-filter{display:block;margin:5px 0;height:36px;line-height:36px;padding:1px 8px}span.active-filter .clear-filter{float:right}span.active-filter .filter-label{display:none !important}span.active-filter .filter-label-sm{display:inline !important}}@media(min-width:686px) and (max-width:767px){.searchinput{max-height:50px;text-wrap:none;overflow:hidden;padding-right:0;border-radius:0}.ww-innerbbt{font-size:18px}.btn-cart{width:100%}.booktree{background:0}.well img{float:left;margin-right:10px;margin-bottom:10px}.price{padding-left:16px}.row-cartbtn{position:absolute;bottom:30px;width:85% !important}.ft .well{height:300px;font-family:'archivo_narrowregular',helvetica,sans-serif}.bbt{width:33%}.mm-inner{height:120px}.rfy{height:150px;padding:10px 0 10px 10px;border-bottom:0}.booktree .col-md-2{width:50% !important}.rfy img{position:absolute;top:10px;max-width:80px}h4.rfy-title{display:inline-block;font-family:'archivo_narrowregular',helvetica,sans-serif;font-size:15px;position:relative;top:0;margin-left:100px}.ql-subscribe input{width:250px !important}.ql{border:0}}@media(max-width:767px){.btn-cart{width:100%}.sc-inner{background-color:transparent;color:#369;position:static;top:0;height:190px;width:100%}h4.sc{background-color:#369;color:white;font-size:14px;font-family:'archivo_narrowregular',helvetica,sans-serif;margin:0 0 10px 0;padding:5px}.sc-outer{height:210px;cursor:pointer}.sc-link{display:none}.sc-desc{background:rgba(255,255,255,0.9) none repeat scroll 0 0}.col-sc{height:240px;overflow:hidden}.booktree .col-md-2{width:50% !important}.pager-column{text-align:center !important}.explore-btn-label{display:none}.downloads-label>span{display:none}}@media(min-width:991px){#bbt-sidebar ul{top:50px}h3.bbt-hdr{top:0}h3.bbt-search-hdr{display:none}#bbt-searchtop{display:none}button.pull-right{float:none !important}.ft .well{height:340px;font-family:'archivo_narrowregular',helvetica,sans-serif}.sc h4{font-size:15px}.bbt-btn{font-size:11px}.ww-innerbbt{font-size:14px}.search-index-wrapper{margin:100px 0 150px}.searchouter .form-group{margin-bottom:0}.searchouter .filter-column:first-child{padding-left:0}.searchouter .filter-column:last-child{padding-right:0}}@media(max-width:991px){#bbt-sidebar ul{top:50px}h3.bbt-hdr{top:0}h3.bbt-search-hdr{display:none}#bbt-searchtop{display:none}button.pull-right{float:none !important}.booktree{background:0}.row-cartbtn{position:absolute;bottom:30px;width:75%}.ft .well{height:310px;font-family:'archivo_narrowregular',helvetica,sans-serif}.bbt{width:33%}.mm-inner{height:120px}.ql-subscribe input{width:150px}.sc h4{font-size:15px;line-height:30px}}@media(max-width:400px){.old-price{display:inherit;margin-left:15px}.ft .well{height:auto}.ft h4{height:50px;margin-bottom:50px}.web-price{color:white;font-family:'archivo_narrowregular',helvetica,sans-serif}.btn-cart:hover{background:#4a4a4a url(//www.nap.edu/images/icon-cart.png);background-repeat:no-repeat;background-position:4px center;border-color:transparent;color:#fff;border-radius:5px;text-align:left;font-size:12px}.btn-cart{color:white;padding-left:30px;background:#333 url(//www.nap.edu/images/icon-cart.png);background-repeat:no-repeat;background-position:4px center;border-color:transparent;color:#fff;border-radius:5px;text-align:left;font-size:12px}.col-xs-5{display:block;width:100%}.pagination-heading .sort{padding:0}.booktree .col-md-2{width:100% !important}.rfy{display:block !important;width:100%;border-bottom:1px solid #ccc;cursor:pointer;padding-right:30px}.rfy:hover{opacity:.8}.rfy span.rfy-bg{background:url(//www.nap.edu/images/homesprites.png) no-repeat 5px -500px;position:absolute;right:0;top:5px;width:45px;height:50px;opacity:.7}.rfy-vm{display:none}.row-cartbtn{width:88% !important}h2.sc{font-size:25px}h4.sc{font-size:14px;padding:5px}div.sc-outer{background-size:80% !important;cursor:pointer}.hidden-xxs{display:none}.icon-search{font-size:23px !important}#inputsearch{width:81%}.btn-searchhome{width:18%}nav.subtopics{display:none}.topicindexicon{width:60px !important}.topic-hdr{color:#333;font-size:22px;height:auto;margin-bottom:5px;display:block;vertical-align:middle}a.buyit{display:block}.explore-btn .caret{display:none}}@media(min-width:768px){.container{width:100%;max-width:1340px}}@media screen and (min-width:1209px) and (max-width:1400px){.container{width:100%;max-width:1340px;padding-left:50px}}.input-group{position:relative;display:table;border-collapse:separate}.subscribe-input{width:100%;margin-bottom:0;border-bottom-right-radius:0;border-top-right-radius:0}.subscribe-button{display:table-cell;width:1%;white-space:nowrap;vertical-align:middle;position:relative}.subscribe-button>.btn{border-bottom-left-radius:0;border-top-left-radius:0}.subscribe-button>.btn:hover,.subscribe-button>.btn:active{z-index:2}.top-rows{max-width:100%;margin:0 auto;background:url(//www.nap.edu/images/homebg-2.png) top center;padding:10px 0 0;border:1px solid #e6e1d5}.searchinput{padding-left:0}.img-container{position:relative;max-width:100%;display:block;height:auto}.img-container .prepub{position:absolute;background-color:rgba(51,102,153,0.75);color:#fff;text-align:center;left:0;right:0;bottom:20px;padding:4px;z-index:100}.prepubbanner{position:absolute;background-color:rgba(51,102,153,0.75);color:#fff;text-align:center;left:0;right:0;bottom:20px;padding:4px;z-index:100;width:90%;margin:auto}.well:hover .img-container .prepub{opacity:.8}.old-price{font-size:14px;font-family:'archivo_narrowregular',helvetica,sans-serif;color:#ccc;text-decoration:line-through;padding-right:4px}.middle-rows{max-width:100%;margin:0 auto;background:#fff}.bottom-rows{max-width:100%;margin:0 auto;background:#f0eee8;border:1px solid #e6e1d5;box-shadow:0 1px 1px rgba(0,0,0,0.05) inset}.middle-rows .row,.bottom-rows .row{margin-top:10px}.loading{height:150px;width:100%}.loading img{height:11px;position:absolute;margin:auto;top:0;bottom:0;left:0;right:0}.prepub-label-sm{margin-top:10px;text-align:center;font-style:italic;font-size:10px}