body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    text-align: center;

}

header {
    pading: 32px;

}

header h1 {
    font-size: 2.5em;
    margin-bottom: 0;

}

.hero-image {
    width: 100%;
    max-width: 600px;
    margin: 1.5rem auto;
    display: block;
    border-radius: 12px;
}

.assignments {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;

}

.assignments a {
    display: block;
    padding: 1rem;
    text-decoration: none;
    color: white;
    background: #0077cc;
    border-radius: 8px;
    font-weight:bold;
    transition: backround 0.3s ease;
}

.assignments a:hover {
    backround: #005fa3;
}