a,abbr,acronym,address,article,aside,b,blockquote,body,canvas,caption,center,cite,code,dd,del,details,dfn,div,dl,dt,em,footer,h1,h2,h3,h4,h5,h6,header,html,i,img,ins,kbd,label,legend,li,menu,nav,object,ol,p,pre,q,s,samp,section,span,strike,strong,sub,summary,sup,table,tbody,td,tfoot,th,thead,time,tr,u,ul,var{margin:0;padding:0;border:0;text-decoration:none;vertical-align:baseline;box-sizing:border-box;}article,aside,details,figcaption,figure,footer,header,menu,nav,section{display:block;clear:both;}

html{background-color:#575757;width:100%;}

body{background-color:#fafafa;width:100%;max-width:58em;font-size:100%;height:100%;min-height:100%;margin:0 auto;line-height:2;font-family:"DejaVu Serif","Lucida Bright","Lucida Serif",Georgia,serif;}h1,h2,.p1,.p2,h3,.p3,h4,.p4,#asidenav,#pagecontents,.more,.aside,#side,#asidenav,#intro,table,.tablecaption,#pageheader,#pagefooter,li,figure,figcaption,.sans-serif{font-family:"Bitstream Vera Sans","DejaVu Sans","Lucida Sans","Lucida Grande",Verdana,sans-serif;}.monospace,pre,code,kbd,samp,.codebox{font-family:"DejaVu Sans Mono","Lucida Console","Lucida Sans Typewriter","Andale Mono WT","Andale Mono","Nimbus Mono L",Monaco,"Courier New",monospace;}
.serif {font-family:"DejaVu Serif","Lucida Bright","Lucida Serif",Georgia,serif;}
#main{max-width:48.25rem;max-width:58rem;margin:2rem auto 3rem;padding:0 4%;box-sizing:content-box;}

p+p{text-indent:4%;}.clear{overflow:hidden;clear:both;display:block;visibility:hidden;width:0;height:0;font-size:0;line-height:0;margin:0;}h1,h2,h3,h5,h6,sub,sup,sup a,th,.tablecaption,p.tablenotes,.bold,b,strong,.formula,#about #sitemenu .about,#home #sitemenu .home,#articles #sitemenu .photo-articles,#galleries #sitemenu .galleries,figure figcaption:before{font-weight:bold;}h4,li p,td,li pre,li .vip,li aside,pre,code,.codebox,#pageheader h1,#pageheader h1 a,#pagetitle,#written,.more h6::before,.more h5::before,.more h4::before,.more h3::before,.more h3,.more h4,.more h5,.more h6,figcaption{font-weight:normal;}h4,h5,h6,p.tablenotes,.italic,i,cite,em,#written,.more h6::before,.more h5::before,.more h4::before,.more h3::before,.more h3,.more h4,.more h5,.more h6,figcaption{font-style:italic;}h1{text-align:center;}h1,h2{font-size:1.75rem;margin:3rem 0 1.5rem;}h3,h4{font-size:1.25rem;margin:2rem 0 0;}h5,h6{font-size:1.0rem;margin:1rem 0 0;}h4:after,h5::after,h6::after,aside h4:after,aside h5::after,aside h6::after{content:"";}article{counter-reset:h2counter h3counter h4counter h5counter formulacounter figurecounter tablecounter;}h2:before{content:counter(h2counter,upper-alpha) ".\0000a0";counter-increment:h2counter;}h2{counter-reset:h3counter;}h3:before{content:counter(h2counter,upper-alpha) "" counter(h3counter,decimal) ".\0000a0";counter-increment:h3counter;}sub,sup{line-height:0;position:relative;vertical-align:baseline;}sup{top:-0.5rem;}sub{bottom:-0.25rem;}blockquote:before,blockquote:after,q:before,q:after{content:none;}blockquote{quotes:none;margin:2rem 4%;border-left:.25rem solid #a93;padding:0 2%;text-indent:0;}ol{list-style-type:decimal;}ul{list-style-type:disc;}ol,ul{margin:1rem 0;padding-left:1rem;}aside ol,aside ul{margin-left:2rem 4%;}ol ol,ol ul,ul ul,ul ol,ol figure ol,ul figure ul{margin-left:6%;}ol.double-space li,ul.double-space li{margin:1.0rem 0;}ol.upper-roman{list-style-type:upper-roman;}ol.lower-roman{list-style-type:lower-roman;}ol.lower-alpha{list-style-type:lower-alpha;}ol.upper-alpha{list-style-type:upper-alpha;}ol.none,ul.none{list-style-type:none;}ol.indent,ul.indent,figcaption ol,figcaption ul{margin-left:2rem 4%;}li p{text-indent:4%;}ol+p,ul+p{text-indent:0;}table{font:100%;border-collapse:collapse;border-spacing:0;margin:2rem 0;width:100%;overflow:auto;display:block;}.tablecaption{text-align:left;font-size:1.125rem;}table a{color:#00f;}th,td{border:1px solid black;}td,td img,th{vertical-align:middle;}td,th{padding:0 .5rem;height:2rem;text-align:left;}p.tablenotes{margin-top:-1rem;}ol.tablenotes{margin-top:0;}a{cursor:pointer;text-decoration:underline;}a:link{color:#00f;}a:visited{color:#50a;}a:hover{outline:none;background-color:#afc;color:#00f;}del{text-decoration:line-through;}.center{text-align:center;}.formula{margin:1rem 2%;text-indent:4%;}pre{background-color:white;}pre,code,.codebox{margin:1.375rem 0;padding:.5rem 1%;border:1px solid #898989;display:inline-block;width:100%;overflow:auto;color:#000;}.codebox,code{background-color:#eaeaea;}.codecomment{color:#f00;}.preformat{white-space:pre;white-space:pre-wrap;white-space:pre-line;}.screen-reader{position:absolute;left:-10000em;top:auto;width:1px;height:1px;overflow:hidden;}#pageheader,#pagefooter{background-color:#161616;padding:0 4%;clear:both;overflow:hidden;display:block;}#pageheader h1,#pageheader h1 a{color:#fafafa;text-decoration:none;font-size:1.125rem;margin:0;text-align:center;display:block;}#pageheader h1{padding:.5rem 0;}#pagefooter{color:#fafafa;padding-top:3.5%;padding-bottom:2%;}#pagefooter p{text-align:center;text-indent:0;}#sitemenu{background-color:#161616;float:left;width:100%;position:relative;z-index:1000;position:relative;padding:0 4%;margin:0;}#sitemenu ol{text-indent:0;list-style-position:outside;padding:0;clear:left;float:right;list-style:none;margin:0;position:relative;right:50%;text-align:center;}#sitemenu ol li{display:block;float:left;list-style:none;margin:0;position:relative;left:50%;}#sitemenu ol li a{border-left:1px solid #e1e1e1;border-right:1px solid #e1e1e1;margin-right:-1px;display:block;padding:0 2rem;text-align:center;color:#fafafa;text-decoration:none;line-height:1.25rem;margin-bottom:.75rem;font-size:1.125rem;}#pageheader a:hover,#pagefooter a:hover,#sitemenu ol li a:hover{color:#00f;}#pagetitle{background-color:#161616;color:#fafafa;font-size:1.75rem;line-height:3rem;padding:1rem;letter-spacing:.0375rem;word-spacing:.1rem;margin:0;font-weight:normal;}#intro{font-size:1.125rem;margin:2rem 0 0;}#written{margin-bottom:-0.5rem;margin-top:1rem;text-align:center;}#pagecontents,#series-links,.notes{padding:1rem 4% 2rem;margin:2rem 0;background-color:#e1e1e1;}#pagecontents ol,#series-links ol,.notes ol{margin:0;padding-left:1rem;list-style-type:upper-alpha;}#series-links ol{list-style-type:none;}#pagecontents ol ol{list-style-type:decimal;margin-left:4%;}#pagecontents ol ol ol{list-style-type:lower-alpha;}#pagecontents ol li,#series-links ol li,.notes ol li{margin-top:0;margin-bottom:0;}#pagecontents p,#series-links p,#notes h2,.notes h2{font-size:1.125rem;margin:1rem 2%;margin-top:0;text-align:center;}#pagecontents a{text-decoration:none;}.notes{float:none;}.notes ol{list-style-type:decimal;}.notes h2{text-align:left;}.more{padding:1rem 3% 1.5rem;margin:1.5rem;color:#000;background-color:#e1e1e1;border-radius:1rem;}.more h6::before,.more h5::before,.more h4::before,.more h3::before{content:"Additional information:";display:inline;}.more h6::before,.more h5::before,.more h4::before,.more h3::before,.more h3,.more h4,.more h5,.more h6{text-align:center;font-size:1rem;}.more h3,.more h4,.more h5,.more h6{margin:.5rem 0 .875rem;}.alertbox{background:#ffa;border:.125rem solid #900;margin:1.375rem 3%;}.vip{background-color:#fff;border:.125rem solid #474747;margin:1.875rem 4%;padding:1rem;}p.vip,pre+p{text-indent:0;}p.vip+p.vip{text-indent:4%;margin-top:0;}.vip ol,.vip ul{padding-left:4%;}.vip+p{text-indent:0;}img{vertical-align:baseline;outline:0;max-width:100%;box-sizing:content-box;display:block;border:1px solid #bcbcbc;}.imgright{float:right;margin-left:.875rem;}.imgleft{float:left;margin-right:.875rem;}.imgright,.imgleft{margin-bottom:1.75%;margin-top:1rem;border:.125rem solid #bcbcbc;}.imgsidebyside{position:relative;float:left;margin-right:-0.25%;}.imgcenter{display:block;margin:0 auto;}figure{width:48.25rem;max-width:92%;margin:2rem auto;padding:2rem 4%;background-color:#fff;outline:1px solid #bcbcbc;box-sizing:content-box;}figure img{display:block;clear:both;border:none;}figcaption{margin:1.0rem .0;}figcaption p{font-style:normal;}figcaption ol li,figcaption ul li{font-style:normal;}figure figcaption:before{counter-increment:figurecounter;content:'Figure ' counter(figurecounter) '. ';}@media all and (max-width:54rem){#main{padding:2rem 4%;overflow:hidden;}}
