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

/* Page container */
div {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Header styles */
h1 {
    font-size: 2.5rem;
    text-align: center;
    color: #2c3e50;
    margin-bottom: 20px;
}

h2 {
    font-size: 1.8rem;
    color: #34495e;
    margin-top: 30px;
    border-bottom: 2px solid #2c3e50;
    padding-bottom: 5px;
}

h3 {
    font-size: 1.5rem;
    color: #34495e;
    margin-top: 20px;
}

/* Paragraph styles */
p {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

/* Ordered list styles */
ol {
    padding-left: 20px;
}

ol li {
    margin-bottom: 20px;
}

ol li p {
    font-size: 1.1rem;
    font-weight: bold;
}

/* Image styles for user interface section */
img {
    display: block;
    max-width: 100%;
    margin: 10px 0;
}

/* Styling for the images in the User Interface section */
ol li img {
    max-width: 320px;
    height: auto;
    margin: 10px;
    float: left;
    margin-right: 20px;
}

/* Clearfix for floated images */
ol li:after {
    content: "";
    display: block;
    clear: both;
}

/* Styling for the video */
video {
    max-width: 100%;
    display: block;
    margin: 20px 0;
    border: 1px solid #ccc;
}

/* Footer / Contributors section */
footer {
    text-align: center;
    margin-top: 40px;
    padding: 10px;
    background-color: #2c3e50;
    color: white;
}

footer p {
    margin: 5px 0;
}