/* General Styles */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f4f4f4;
}

header, footer {
    background-color: #617cb5;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
}

h1, h2, h3 {
    color: #333;
}

h1 {
    font-size: 2.5rem;
    margin: 0;
}

h2 {
    font-size: 2rem;
    margin: 1rem 0 0.5rem;
}

h3 {
    font-size: 1.5rem;
    margin: 1rem 0 0.5rem;
}

/* Main Content */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

section {
    margin-bottom: 2rem;
    background-color: #fff;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

section img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
}

/* Flexbox for image arrangement */
section img {
    display: block;
    margin: 0 auto;
}

/* Ensure images are responsive and fit their containers */
img {
    max-width: 100%;
    height: auto;
}

/* Ensure proper layout in sections */
section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Ensure iframe is responsive */
iframe {
    display: block;
    margin: 1rem 0;
    border: 0;
    border-radius: 8px;
    width: 100%;
    height: auto;
}

/* Lists and Tables */
ul, dl {
    margin: 1rem 0;
}

ul {
    padding-left: 1.5rem;
}

dl dt {
    font-weight: bold;
}

dl dd {
    margin: 0 0 1rem 0;
}

/* Forms and Links */
a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Footer */
footer p {
    margin: 0;
    color: #ffffff;
}

footer {
    background-color: #007bff;
}

/* Responsive Design */
@media (max-width: 1200px) {
    main {
        padding: 1.5rem;
    }
}

@media (max-width: 992px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    main {
        padding: 1rem;
    }

    section {
        padding: 0.5rem;
    }

    iframe {
        width: 100%;
        height: auto;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.1rem;
    }

    main {
        padding: 0.5rem;
    }

    section {
        padding: 0.5rem;
    }

    ul {
        padding-left: 1rem;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 1.5rem;
        color: #f2dfdf;
    }

    h2 {
        font-size: 1.25rem;
    }

    h3 {
        font-size: 1rem;
    }

    main {
        padding: 0.5rem;
    }

    section {
        padding: 0.5rem;
        margin-bottom: 1rem;
    }
}