body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f7f0;
    color: #333;
}

header {
    background-color: #4CAF50;
    color: white;
    text-align: center;
    padding: 20px;
}

h1 {
    margin: 0;
    font-size: 2.5em;
}

.container {
    display: flex;
    justify-content: space-around;
    max-width: 1200px;
    margin: 20px auto;
    flex-wrap: wrap;
}

.column {
    width: 30%;
    background-color: white;
    padding: 20px;
    margin: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.column img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    margin-top: 10px;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #4CAF50;
    color: white;
    position: fixed;
    bottom: 0;
    width: 100%;
}

@media (max-width: 768px) {
    .column {
        width: 80%;
    }
}