doc.css

<style type="text/css">
/* HTML elements are positioned static by default. A static positioned
element is always positioned according to the normal flow of the
page. An absolute position element is positioned relative to the first
parent element that has a position other than static. If no such
element is found, the containing block is the html tag */

div#warning {background-color: #F5F5DC; float: left; width: 35%;}
p.p_warning {font-size: 80%; border: solid 1px #DDD; margin: 0 2px 0 0; }
div#title {float: left; width: 60%;}
p.p_title {font-family: sans-serif; font-weight: bold; font-size: 170%; margin: 0.5em}

.bfont {font-weight: bolder}
dl.dl_main {margin: 5px 0px 10px 0px; font-family: sans-serif} 
dt.dt_main {margin: 7px 10px 5px 0px; background-color: #EEEEEE; padding: 3px 3px 3px 3px}
dd.dd_main {margin: 0px 10px 0px 20px}
p.sublib {margin: 3px 0px 1px 0px; font-style: normal} 
a.file {margin: 0px 5px 0px 5px; text-decoration: none}

p.sublibavocs {margin: 3px 0px 1px 0px; font-style: normal} 

div#functions { margin-left: 10px; margin-right: 68%; }

.prg { background-color: #DDF } 
.triple { background-color: #DEE } 
.misc { background-color: #EDE } 
.simu { background-color: #DFD } 

span.quotation { font-size: 80%; font-style: italic } 

div#kamoku {text-align: left; background: #F9966B}

ul.menu_list { margin: 0 0 0 0px}
ul.menu_list > li { margin-top: 10px; list-style-type: none}
ul.menu_list > li > a { text-decoration: none; font-weight: bold }
ul.menu_list > li > a:link {color: #000000}
ul.menu_list > li > a:visited {color: #000000}
ul.menu_list > li:hover {background-color: #EEEEEE}

ul.crypto_list { margin: 0 0 0 10px; padding: 0}
ul.crypto_list > li { position: relative }
ul.crypto_list > li > ul { display: none; margin-left: 0; padding-left: 0}
ul.crypto_list > li:hover { background: #DDE }
ul.crypto_list > li:hover > ul { display: inline; position: absolute; left: 100%; margin-left: 0}
ul.crypto_list > li:hover > ul > li { display: table-cell; position: relative; }
ul.crypto_list > li:hover > ul > li > ul { margin-left: 1px; padding: 0; list-style-type: none; }
ul.crypto_list > li:hover > ul > li > ul > li { }

</style>