mixin 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.formula{opacity:.5}article,aside,details,figcaption,figure,footer,header,hgroup,nav,section{display:block}audio,canvas,video{display:inline-block;*display:inline;*zoom:1}audio:not([controls]){display:none}html{font-size:100%;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}a:hover,a:active{outline:0}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}img{max-width:100%;height:auto;border:0;-ms-interpolation-mode:bicubic}button,input,select,textarea{margin:0;font-size:100%;vertical-align:middle}button,input{*overflow:visible;line-height:normal}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}button,input[type="button"],input[type="reset"],input[type="submit"]{cursor:pointer;-webkit-appearance:button}input[type="search"]{-webkit-appearance:textfield;box-sizing:content-box}input[type="search"]::-webkit-search-decoration,input[type="search"]::-webkit-search-cancel-button{-webkit-appearance:none}textarea{overflow:auto;vertical-align:top}html,body{height:100%}body{margin:0;font-family:Verdana,sans-serif;font-size:14px;line-height:22px;color:#444;background-color:#fff}.sidebar{top:0;bottom:0;left:0;overflow:hidden;position:fixed;width:200px;padding:25px 0 0;margin:0;list-style:none;overflow-x:hidden;overflow-y:auto;}.sidebar .active a{font-weight:bold}.sidebar a{padding:3px 5px 3px 20px;color:#444;display:block;text-decoration:none;white-space:nowrap}.content{max-width:800px;margin-left:200px;padding:10px 0 10px 40px;-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;min-height:100%;-webkit-box-shadow:-4px 0 4px -4px #ccc;box-shadow:-4px 0 4px -4px #ccc;}.content a{color:#036;text-decoration:none;border-bottom:1px solid #999}.content a:hover{color:#800;border-color:#800}pre{white-space:wrap;}pre code{overflow:auto;border:1px solid #eee;-webkit-box-shadow:0 0 5px #eee;box-shadow:0 0 5px #eee;-webkit-border-radius:5px;border-radius:5px;margin:1.5em 0}p code,li code{background-color:#eee;-webkit-border-radius:3px;border-radius:3px;padding:0 3px}