* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', Arial, sans-serif;
    background-color: #000;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.video-wrapper {
    position: relative;
    padding-top: 56.25%;
    background-color: #000;
    overflow: hidden;
}

#main-stream {
    border: none;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    display: none;
}

#main-stream.active {
    display: block;
}