html, body {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*, *::before, *::after {
    box-sizing: inherit;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f0f0f0;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

header {
    background-color: #007bff;
    color: #fff;
    padding: 20px 0;
    text-align: center;
    position: relative;
}

header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

header .logo img.logo-img {
    height: 80px; /* Adjust the height as needed */
}

header h1 {
    margin: 0;
    font-size: 2rem;
}

header nav ul {
    list-style-type: none;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 0;
}

header nav ul li {
    margin: 0 15px;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 1.1rem;
}

header nav ul li a:hover {
    color: #ffc107;
}

main {
    padding: 20px;
    margin: 20px 0;
}

.main-content {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.main-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #007bff;
}

.main-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #666;
}

.main-list {
    margin-top: 20px;
    padding-left: 20px;
}

.main-list li {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

footer {
    background-color: #007bff;
    color: #fff;
    text-align: center;
    padding: 15px 0;
    position: relative;
    bottom: 0;
    width: 100%;
}

@media (max-width: 768px) {
    header .logo img.logo-img {
        height: 30px; /* Adjust the height as needed for mobile */
    }

    header h1 {
        font-size: 1.5rem;
    }

    header nav ul {
        flex-direction: column;
    }

    header nav ul li {
        margin: 10px 0;
    }

    .main-title {
        font-size: 2rem;
    }

    .main-text {
        font-size: 1rem;
    }

    main {
        padding: 10px;
    }
}