body {
    background-attachment: fixed;
    background-image: url(bg.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 2em;
    color: blueviolet;
}

#btn {
    background-color: blueviolet;
    color: white;
    font-size: large;
    border: none;
    padding: 20px 30px;
    border-radius: 15px;
}

.verdropdown a {
    display: block;
    text-decoration: none;
    padding: 20px 30px;
}

.verdropdown .versions {
    display: none;
    background-color: darkslategrey;
    position: absolute;
    min-width: 100px;
    border-radius: 15px;
    box-shadow: 2px 2px 5px blueviolet;
}

.verdropdown:hover .versions {
    display: block;
}

.verdropdown button:hover {
    background-color: hsl(271, 76%, 43%);
}

.verdropdown a:hover {
    background-color: hsl(180, 27%, 10%);
}

.verdropdown {
    display: inline-block;
}