body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
    color: #333;
}

header {
    background-color: #333;
    color: #fff;
    padding: 1em 0;
    text-align: center;
}

main {
    padding: 20px;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.hero-panel {
    text-align: center;
    border: 1px solid #ddd;
    padding: 10px;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-panel img {
    max-width: 100%;
    height: auto;
}

.hero-panel a {
    text-decoration: none;
    color: #333;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: #fff;
    font-size: 0.8em;
}