* {
    margin: 1;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
    padding: 20px;
}

main {
    max-width: 1000px;
    margin: 0 auto;
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 2rem;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

p {
    margin-bottom: 20px;
    font-size: 1rem;
}

ul {
    list-style-type: disc;
    padding-left: 20px;
    margin-bottom: 30px;
}

li {
    margin-bottom: 10px;
}


img {
    width: 100%;
    max-width: 480px;
    margin: 10px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}


section img {
    display: inline-block;
    vertical-align: top;
}

a {
    color: #3498db;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}


footer {
    text-align: center;
    padding: 20px 0;
    color: #777;
    font-size: 0.9rem;
    margin-top: 40px;
}


@media (max-width: 768px) {
    section img {
        width: 100%;
        display: block;
        margin: 10px 0;
    }
}