#mainmenu li { list-style-type: none; } #mainmenu > li { position: relative; float: left; margin: 1px; padding: 5px; background-color: #ddd; z-index: 1; } /* for ie 6 and 7 */ *html .submenu, *:first-child+html .submenu { background-color: #ccf; } .submenu { display: none; position: absolute; left: 0; margin: 0; padding: 5px; background: transparent url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAABHNCSVQICAgIfAhkiAAAAAlwSFlzAAALEgAACxIB0t1+/AAAABx0RVh0U29mdHdhcmUAQWRvYmUgRmlyZXdvcmtzIENTM5jWRgMAAAAVdEVYdENyZWF0aW9uIFRpbWUAMDkuMS4yMnZ25NMAAAAYSURBVBiVYzxz5v8ZBiIAEzGKRhVSTyEAdeYDdzZ7+wMAAAAASUVORK5CYII=) repeat left top; } #mainmenu > li:hover { background-color: #ddf; z-index: 2; } #mainmenu > li:hover .submenu { display: block; width: 100px; } li a, li a:link, li a:visited { display: block; margin: 0; padding: 5px 10px; color: #339; text-decoration: none; } li a:active, li a:hover { color: #933; background-color: #fcc; } /* for ie 6's newline bug on list tag */ *html .submenu li a, *html .submenu li a:link, *html .submenu li a:visited { width: 100%; vertical-align: bottom; }
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スタイルシート(CSS)で作るドロップダウンメニュー(Drop Down Menu) : Serendip - Webデザイン・ホームページ制作
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