body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

nav {
    background-color: #333;
    color: white;
    padding: 10px;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

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

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
}

#video-container {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    margin-top: 50px; /* Space for the fixed nav */
}

#userA {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 200px; /* Adjust size as needed */
    height: auto;
    border: 2px solid #fff;
    border-radius: 5px;
}

#userB {
    position: absolute;
    bottom: 10px;
    left: 10px;
    width: 200px; /* Adjust size as needed */
    height: auto;
    border: 2px solid #fff;
    border-radius: 5px;
}

#content {
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
}

section {
    margin: 20px 0;
}

@media (max-width: 600px) {
    #userA, #userB {
        width: 100px; /* Smaller size for mobile */
    }
}