The perplexity of CSS Menus

I have this HTML code, but I'm not sure how to write the CSS so that the drop-down menu appears when I hover over the main li.

        <li><a href="#">#</a>
            <ul class="sub_menu">
                <li><a href="#">#</a></li>
                <li><a href="#">#</a></li>
                <li><a href="#">#</a></li>
                <li><a href="#">#</a></li>
                </ul>
            </li>

Answer №1

nav ul {
    visibility: hidden;
}

nav:hover ul {
    visibility: visible;
}

This technique may not be compatible with older versions of Internet Explorer, but fortunately, that browser is no longer a concern for most users.

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