yavrtos,一款用于广泛用于AVR单片机的RTOS,文件里是这款OS的源码

				/* tabs styles, based on http://www.alistapart.com/articles/slidingdoors */								DIV.tabs				{				   float            : left;				   width            : 100%;				   background       : url("tab_b.gif") repeat-x bottom;				   margin-bottom    : 4px;				}								DIV.tabs UL				{				   margin           : 0px;				   padding-left     : 10px;				   list-style       : none;				}								DIV.tabs LI, DIV.tabs FORM				{				   display          : inline;				   margin           : 0px;				   padding          : 0px;				}								DIV.tabs FORM				{				   float            : right;				}								DIV.tabs A				{				   float            : left;				   background       : url("tab_r.gif") no-repeat right top;				   border-bottom    : 1px solid #84B0C7;				   font-size        : x-small;				   font-weight      : bold;				   text-decoration  : none;				}								DIV.tabs A:hover				{				   background-position: 100% -150px;				}								DIV.tabs A:link, DIV.tabs A:visited,				DIV.tabs A:active, DIV.tabs A:hover				{				       color: #1A419D;				}								DIV.tabs SPAN				{				   float            : left;				   display          : block;				   background       : url("tab_l.gif") no-repeat left top;				   padding          : 5px 9px;				   white-space      : nowrap;				}								DIV.tabs INPUT				{				   float            : right;				   display          : inline;				   font-size        : 1em;				}								DIV.tabs TD				{				   font-size        : x-small;				   font-weight      : bold;				   text-decoration  : none;				}																/* Commented Backslash Hack hides rule from IE5-Mac \*/				DIV.tabs SPAN {float : none;}				/* End IE5-Mac hack */								DIV.tabs A:hover SPAN				{				   background-position: 0% -150px;				}								DIV.tabs LI.current A				{				   background-position: 100% -150px;				   border-width     : 0px;				}								DIV.tabs LI.current SPAN				{				   background-position: 0% -150px;				   padding-bottom   : 6px;				}								DIV.nav				{				   background       : none;				   border           : none;				   border-bottom    : 1px solid #84B0C7;				}