CSS Animation Dropdown Fade Scale Example

<!doctype html>
<title>Example</title>
<style>
body {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 100px;
    height: 100vh;
    margin: 0;
    font-family: sans-serif;
    background-color: #f0f0f0;
}

.dropdown-container {
    position: relative;
    display: inline-block;
}

.dropdown-btn {
    background-color: #007bff;
    color: white;
    padding: 12px 20px;
    font-size: 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 10px;
    background-color: white;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    border-radius: 4px;
    padding: 8px 0;
    
    /* Initially hidden and scaled down */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transform-origin: top;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.dropdown-menu a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown-menu a:hover {
    background-color: #f1f1f1;
}

/* Hovering on the container reveals the menu */
.dropdown-container:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

@media (prefers-reduced-motion: reduce) {
    .dropdown-menu {
        /* Removes the slide/scale effect, keeping only the opacity fade */
        transition: opacity 0.2s ease, visibility 0.2s;
        transform: none;
    }
}
</style>

<div class="dropdown-container">
    <button class="dropdown-btn">Features â–¼</button>
    <div class="dropdown-menu">
        <a href="#">Analytics</a>
        <a href="#">Reporting</a>
        <a href="#">Integrations</a>
    </div>
</div>