body {
    margin: 0;
    padding-top: 60px;
    color: black;
    font-family: monospace;
    font-size: large;
}

header {
    color: white;
    background-color: #333;
    padding: 10px 0;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
    z-index: 1000;
}

.logo {
    margin-left: 20px;
    font-size: 1.5em;
    font-family: monospace;
    font-weight: bold;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
}

/* Needed for dropdown positioning */
nav ul li {
    position: relative;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 10px 15px;
    display: block;
}

/* Dropdown menu */
nav ul li ul {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #333;
    list-style-type: none;
    padding: 0;
    margin: 0;
    min-width: 160px;
    display: none;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

/* Dropdown links */
nav ul li ul li a {
    padding: 10px 15px;
    white-space: nowrap;
}

/* Show dropdown on hover */
nav ul li:hover > ul {
    display: block;
}

/* Hover effects */
nav ul li a:hover {
    background-color: #444;
}