.107body { margin-top: 0px; margin-bottom: 0px} a:link {text-decoration: none;color:#000099;} a:visited {text-decoration: none;color:#000066;} a:hover {text-decoration: none;color:#FF0000;} ul#mainmenu { margin: 0; padding: 0; width: 660px; height: 26px; /* for MacIE5.x \*//*/ overflow: hidden; /* end */ } ul#mainmenu:after { height: 0; visibility: hidden; content: "."; display: block; clear: both; } ul#mainmenu li { margin: 0; padding: 0; float: left; width: 110px; /* ボタンの幅 */ list-style-type: none; } ul#mainmenu li a { display: block; padding: 0.6em 26px; /* ボタンの厚みはここで調整 */ position: relative;/* IE6でマウス反応領域がおかしいのをFix */ font-size: 0.8em; color: #ffffff; text-align: center; text-decoration: bold; background-color: #000000; } ul#mainmenu li a:hover { color: #000000; background-color: #ffffff; }