/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body */
body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: white;
}

/* Header */
header {
    text-align: center;
    padding: 25px;
    background: #1f1f1f;
}

/* Navigation (Weeks) */
nav {
    background: #222;
    padding: 10px 0;
}

nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    list-style: none;
}

nav ul li {
    margin: 8px 15px;
}

nav ul li a {
    text-decoration: none;
    color: white;
    padding: 10px 15px;
    background: #333;
    border-radius: 6px;
    transition: 0.2s;
}

nav ul li a:hover {
    background: #00adb5;
    color: black;
}

/* Main */
main {
    text-align: center;
    padding: 40px 20px;
}

/* Footer */
footer {
    text-align: center;
    padding: 15px;
    background: #1f1f1f;
    margin-top: 30px;
    margin-bottom: 0px;
}