body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: #f0f0f0;
}
h1 {
    color: #333;
}
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
    width: 100%;
    max-width: 800px;
    padding: 20px;
}
.grid-item {
    background-color: #4CAF50;
    color: white;
    padding: 20px;
    text-align: center;
    font-size: 20px;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s;
}
.grid-item:hover {
    background-color: #45a049;
}
.icon {
    font-size: 40px;
    margin-bottom: 10px;
}
footer {
    margin-top: 20px;
    text-align: center;
}
footer a {
    color: #4CAF50;
    text-decoration: none;
}