body, h1, h2, p, ul, li {
    margin: 0;
    padding: 0;
}

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

.wrapper {
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

header {
    background-color: #2c3e50;
    color: #ecf0f1;
    text-align: center;
    padding: 20px 0;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

nav li {
    margin-right: 20px;
}

nav a {
    text-decoration: none;
    color: #34495e;
    transition: color 0.3s;
}

nav a:hover {
    color: #3498db;
}

main {
    text-align: center;
    padding: 20px 0;
}

main img {
    max-width: 100%;
    height: auto;
}

main h2 {
    font-size: 28px;
    margin: 20px 0;
    color: #2c3e50;
}

main p {
    font-size: 16px;
    margin: 20px 0;
    color: #555;
}

main a {
    display: inline-block;
    padding: 10px 20px;
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: background-color 0.3s;
}

main a:hover {
    background-color: #2980b9;
}

main ul {
    list-style: none;
}

main li {
    margin-bottom: 10px;
}

@media (max-width: 767px) {
    body {
        font-size: 14px; 
    }

    .wrapper {
        padding: 10px; 
    }

    main h2 {
        font-size: 24px; 
    }

    main p {
        font-size: 14px; 
    }
}


@media (min-width: 768px) and (max-width: 1023px) {
    body {
        
    }

    .wrapper {
      
    }
}