html, body {
    height: 100%;
    margin: 0;
}
body {
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: monospace;
    font-size: 1.5rem;
    background: #ffffff;
    color: #000000;
}
a {
    color: #000000;
    text-decoration: none;
    margin: 0 50px;
}
a:hover {
    text-decoration: underline;
}
.dropdown {
    position: relative;
    display: inline-block;
}
.dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 15px;
}
.dropdown-content {
    display: none;
    position: absolute;
    background: #ffffff;
    border: 1px solid #000000;
    z-index: 1;
    padding: 5px 8px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    margin-top: 8px;
}
.dropdown-content::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #000000;
}
.dropdown-content::after {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-bottom: 5px solid #ffffff;
}
.dropdown:hover .dropdown-content {
    display: block;
}
.dropdown-content a {
    display: block;
    margin: 3px 0;
}
.contact {
    position: fixed;
    bottom: 20px;
    right: 24px;
    font-family: monospace;
    font-size: 1rem;
    color: #000000;
}