| 以下是引用片段： /* common styling */ /* set up the overall width of the menu div, the font and the margins */ .menu { font-family: arial, sans-serif; width:750px; margin:0; margin:50px 0; } /* remove the bullets and set the margin and padding to zero for the unordered list */ .menu ul { padding:0; margin:0; list-style-type: none; } /* 浮动列表，因此可以让items在一行上，并且他们的相对定位可以让下面的列表显示在正确的位置上*/ .menu ul li { float:left; position:relative; } /* style the links to be 104px wide by 30px high with a top and right border 1px solid white. Set the background color and the font size. */ .menu ul li a, .menu ul li a:visited { display:block; text-align:center; text-decoration:none; width:104px; height:30px; color:#000; border:1px solid #fff; border-width:1px 1px 0 0; background:#c9c9a7; line-height:30px; font-size:11px; } /* make the dropdown ul invisible */ .menu ul li ul { display: none; } /* specific to non IE browsers */ /* set the background and foreground color of the main menu li on hover */ .menu ul li:hover a { color:#fff; background:#b3ab79; } /* make the sub menu ul visible and position it beneath the main menu list item */ .menu ul li:hover ul { display:block; position:absolute; top:31px; left:0; width:105px; } /* style the background and foreground color of the submenu links */ .menu ul li:hover ul li a { display:block; background:#faeec7; color:#000; } /* style the background and forground colors of the links on hover */ .menu ul li:hover ul li a:hover { background:#dfc184; color:#000; } |
