body {
    margin: 0;
    padding: 0;
    font-family: 'Courier New', Courier, monospace;
    background-color: #fff;
    color: #000;
}

header {
    background-color: #FFDB58;
    padding: 20px;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 36px;
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    text-align: center;
}

nav ul li {
    display: inline-block;
    margin-right: 20px;
}

nav ul li a {
    text-decoration: none;
    color: #000;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s;
}

nav ul li a:hover {
    background-color: #000;
    color: #fff;
}

.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #000;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
}

.dropdown-content a {
    color: #fff;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
}

.dropdown-content a:hover {
    background-color: #000;
    color: #FFDB58;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.main-content {
    text-align: center;
    padding: 50px;
}

footer {
    background-color: #000;
    color: #fff;
    text-align: center;
    padding: 10px;
}