body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

header {
    background-color: rgb(42, 113, 79);
    color: #fff;
    padding: 10px 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 1.5em;
}

main {
    max-width: 600px;
    margin: 0 auto;
    padding: 10px;
}

section {
    background-color: #fff;
    margin-bottom: 10px;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

section h2 {
    margin-top: 0;
    color: #333;
}

footer {
    background-color: rgb(42, 113, 79);
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

@media screen and (max-width: 600px) {
    main {
        padding: 5px;
    }

    section {
        padding: 10px;
    }

    section h2 {
        font-size: 1em;
    }
}