在子菜单上向下移动

Question

我有一个菜单有两个子菜单。在第3个子菜单上有12个选项，但我的页面上只显示6个选项。他们停在我下一个内容包装器的开头。我一直在寻找，但我只能找到滚动条，这不是我想要的。我希望它在用户点击箭头时向下滚动。任何帮助都会很棒，我是创建网站的新手。

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