body {
    margin: 0;
    padding: 20px;
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    box-sizing: border-box;
}

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

h2 {
    margin-bottom: 20px;
}

h4 {
    margin: 0 0 10px 0;
}

#table {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 800px;
}

.cell {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 — change to 75% for 4:3 if your streams are that */
    background: black;
    border-radius: 6px;
    overflow: hidden;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    /* Prevent iframe scrollbars from appearing */
    overflow: hidden;
}