body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: rgb(243, 219, 219);
}


header, main, footer {
    max-width: 800px;
    margin: auto;
    padding: 20px;
    box-shadow: 0 6px 15px #0001;
    border-radius: 8px;
}


header {
    background-color: black;
    color: white;
    text-align: center;
    padding: 30px 20px;
    border-radius: 8px 8px 0 0;
}

header h1 {
    margin: 0 0 5px 0;
    font-size: 32px;
}

header p {
    margin: 0;
    font-size: 16px;
}


section {
    background-color: white;
    margin-bottom: 10px;
    padding: 10px 15px;
    border-radius: 5px;
}


h1, h2, h3 {
    margin-top: 0;
}

h2 {
    font-size: 22px;
    margin-bottom: 8px;
}

h3 {
    font-size: 18px;
    margin-bottom: 6px;
    color: rgb(73, 73, 73);
}

p {
    font-size: 16px;
}


ul {
    padding-left: 20px;
}


a {
    color: blue;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
    color: #0056b3;
}

article {
    margin-bottom: 20px;
}

article a {
    color: white;
    background-color: rgb(54, 47, 47);
    padding: 6px 11px;
    border-radius: 5px;
    display: inline-block;
    margin-bottom: 6px;
}

article a:hover {
    background-color: black;
}


footer {
    text-align: center;
    font-size: 14px;
    background-color: black;
    color: white;
    padding: 15px 20px;
    border-radius: 0 0 8px 8px;
}


@media (max-width: 768px) {

    header, main, footer {
        padding: 15px;
    }

    header h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 20px;
    }

    h3 {
        font-size: 16px;
    }

    p {
        font-size: 15px;
    }

    article a {
        display: block;
        text-align: center;
        margin-bottom: 8px;
    }
}