.ir,article,aside,details,figcaption,figure,footer,header,hgroup,hr,menu,nav,section{display:block}abbr,address,article,aside,audio,b,blockquote,body,canvas,caption,cite,code,dd,del,details,dfn,div,dl,dt,em,fieldset,figcaption,figure,footer,form,h1,h2,h3,h4,h5,h6,header,hgroup,html,i,iframe,img,ins,kbd,label,legend,li,mark,menu,nav,object,ol,p,pre,q,samp,section,small,span,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,ul,var,video{margin:0;padding:0;border:0;outline:0;vertical-align:baseline;background:0 0}nav ul{list-style:none}blockquote,q{quotes:none}blockquote:after,blockquote:before,q:after,q:before{content:'';content:none}.book a{margin:0;padding:0;font-size:100%;vertical-align:baseline;background:0 0}ins,mark{background-color:#ff9;color:#000}ins{text-decoration:none}mark{font-style:italic;font-weight:700}del{text-decoration:line-through}abbr[title],dfn[title]{border-bottom:1px dotted;cursor:help}table{border-collapse:collapse;border-spacing:0}hr{height:1px;border:0;border-top:1px solid #ccc;margin:1em 0;padding:0}input,select{vertical-align:middle}button,input,select,textarea{font:99% sans-serif}.book nav a,strong,th{font-weight:700}code,kbd,pre,samp{font-family:monospace,sans-serif}body,input,select,textarea{color:#444}.book a:hover,a:active{outline:0}.book a,a:active,a:visited{color:#607890}.book a:hover{color:#036}.book ul,ol{margin-left:1.8em}.book ol{list-style-type:decimal}nav li,nav ul{margin:0}small{font-size:85%}sub,sup{font-size:smaller}td,td img{vertical-align:top}sub{vertical-align:sub}sup{vertical-align:super}pre{padding:15px;white-space:pre;white-space:pre-wrap;white-space:pre-line;word-wrap:break-word}textarea{overflow:auto}.ie6 legend,.ie7 legend{margin-left:-7px}input[type=radio]{vertical-align:text-bottom}input[type=checkbox]{vertical-align:bottom}.book nav ul,.ie7 input[type=checkbox]{vertical-align:baseline}.ie6 input{vertical-align:text-bottom}button,input[type=button],input[type=submit],label{cursor:pointer}button,input,select,textarea{margin:0}input:invalid,textarea:invalid{border-radius:1px;-moz-box-shadow:0 0 5px red;-webkit-box-shadow:0 0 5px red;box-shadow:0 0 5px red}.no-boxshadow input:invalid,.no-boxshadow textarea:invalid{background-color:#f0dddd}::-moz-selection{background:#FF5E99;color:#fff;text-shadow:none}::selection{background:#FF5E99;color:#fff;text-shadow:none}.book a:link{-webkit-tap-highlight-color:#FF5E99}button{width:auto;overflow:visible}.ie7 img{-ms-interpolation-mode:bicubic}.ir{text-indent:-999em;overflow:hidden;background-repeat:no-repeat;text-align:left;direction:ltr}.hidden{display:none;visibility:hidden}.visuallyhidden{position:absolute!important;clip:rect(1px 1px 1px 1px);clip:rect(1px,1px,1px,1px)}.invisible{visibility:hidden}.clearfix:after,.clearfix:before{content:"\0020";display:block;height:0;visibility:hidden}.clearfix:after{clear:both}.clearfix{zoom:1}@media print{*,a,a:visited{color:#444!important}blockquote,img,pre,tr{page-break-inside:avoid}*{background:0 0!important;text-shadow:none!important}a,a:visited{text-decoration:underline}a:after{content:" (" attr(href) ")"}abbr:after{content:" (" attr(title) ")"}.ir a:after{content:""}blockquote,pre{border:1px solid #999}thead{display:table-header-group}@page{margin:.5cm}h2,h3,p{orphans:3;widows:3}h2,h3{page-break-after:avoid}}.book nav{height:26px;text-align:center}.book nav ul{padding:0;border-width:1px;border-style:solid;border-color:#d5d5d5 #d2d2d2 #cdcdcd;border-radius:6px;-moz-box-orient:vertical;display:inline-block;zoom:1;-webkit-box-shadow:0 1px 1px rgba(0,0,0,.04);-moz-box-shadow:0 1px 1px rgba(0,0,0,.04);-ms-box-shadow:0 1px 1px rgba(0,0,0,.04);-o-box-shadow:0 1px 1px rgba(0,0,0,.04);box-shadow:0 1px 1px rgba(0,0,0,.04)}.book nav li{float:left;border-left:1px solid #d2d2d2}.book nav li:first-child{border-left:0}.book nav li:first-child a{border-radius:6px 0 0 6px}.book nav li:last-child a{border-radius:0 6px 6px 0}.book nav a{position:relative;display:block;padding:0 14px;font-size:11px;color:#ddd;height:26px;line-height:26px;text-shadow:0 1px #fff;background:#2C2C2C;background-image:-webkit-gradient(linear,left top,left bottom,color-stop(0,#fcfcfc),color-stop(100%,#f0f0f0));background-image:-webkit-linear-gradient(top,#333,#222);background-image:-moz-linear-gradient(top,#333,#222);background-image:-ms-linear-gradient(top,#333,#222);background-image:-o-linear-gradient(top,#333,#222);background-image:linear-gradient(top,#333,#222)}.book nav a:hover{color:#ddd;z-index:10;text-decoration:none}.book nav li.active a,nav a:active,nav a:visited{color:#ddd;bbackground:#fff;-webkit-box-shadow:inset 0 0 3px rgba(0,0,0,.1);-moz-box-shadow:inset 0 0 3px rgba(0,0,0,.1);-ms-box-shadow:inset 0 0 3px rgba(0,0,0,.1);-o-box-shadow:inset 0 0 3px rgba(0,0,0,.1);box-shadow:inset 0 0 3px rgba(0,0,0,.1)}