body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #3a3a3a;
}
#videos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 10px;
    width: 80%;
}
.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-top: 56.25%; /* 16:9 aspect ratio */
}
video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#controls {
    margin-top: 20px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
}

button:disabled {
    background-color: #ccc;
}