720.css

html{margin:0;padding:0;border:0}body,div,span,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,code,del,dfn,em,img,q,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,dialog,figure,footer,header,hgroup,nav,section{margin:0;padding:0;border:0;font-size:100%;font:inherit;vertical-align:baseline}article,aside,details,figcaption,figure,dialog,footer,header,hgroup,menu,nav,section{display:block}body{background:white}table{border-collapse:separate;border-spacing:0}caption,th,td{text-align:left;font-weight:normal;float:none!important}table,th,td{vertical-align:middle}blockquote:before,blockquote:after,q:before,q:after{content:''}blockquote,q{quotes:"" ""}a img{border:0}:focus{outline:0}h1,h2,h3,h4,h5,h6{font-weight:bold;margin-bottom:20px}article,aside,details,figcaption,figure,footer,header,hgroup,menu,nav,section{display:block}.span1{width:33px;margin-left:6px;margin-right:6px}.span2{width:78px;margin-left:6px;margin-right:6px}.span3{width:123px;margin-left:6px;margin-right:6px}.span4{width:168px;margin-left:6px;margin-right:6px}.span5{width:213px;margin-left:6px;margin-right:6px}.span6{width:258px;margin-left:6px;margin-right:6px}.span7{width:303px;margin-left:6px;margin-right:6px}.span8{width:348px;margin-left:6px;margin-right:6px}.span9{width:393px;margin-left:6px;margin-right:6px}.span10{width:438px;margin-left:6px;margin-right:6px}.span11{width:483px;margin-left:6px;margin-right:6px}.span12{width:528px;margin-left:6px;margin-right:6px}.span13{width:573px;margin-left:6px;margin-right:6px}.span14{width:618px;margin-left:6px;margin-right:6px}.span15{width:663px;margin-left:6px;margin-right:6px}.span16{width:708px;margin-left:6px;margin-right:6px}.container{width:720px;margin:0 auto}.span1,.span2,.span3,.span4,.span5,.span6,.span7,.span8,.span9,.span10,.span11,.span12,.span13,.span14,.span15,.span16{float:left}.first{padding-left:0!important}.last{padding-right:0!important}body{font-size:14px;line-height:20px}h1{font-size:48px;line-height:48px;padding-top:12px}h2{font-size:32px;line-height:32px;padding-top:8px}h3{font-size:24px;line-height:24px;padding-top:16px}h4{font-size:18px;line-height:18px;padding-top:2px}h5{font-size:16px;line-height:16px;padding-top:4px}h6{font-size:14px;line-height:14px;padding-top:6px}p{padding-bottom:20px}.examplebox{background:#333;height:400px}