.video-recorder video {
    width:100%;
    border-radius:10px;
    background:#000;
    margin-bottom:10px;
}

.vr-btn {
    width:90px;
    height:90px;
    border-radius:50%;
    border:none;
    font-size:16px;
    font-weight:bold;
    color:#fff;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    margin:10px;
    cursor:pointer;
}

.vr-btn.start {
    background:#28a745;
}

.vr-btn.stop {
    background:#dc3545;
}