ihelloworld的专栏

JavaScript下拉菜单 * { padding: 0; margin: 0; } body { font-family: verdana, sans-serif; font-size: small;

javascript部分原创，css部分转载 New Document * { padding:0; margin:0; } body { font-size:small; } #navigation { margin:20px; } #navigation, #navigation li ul { list-style-ty