.html5-webcam-avatar-modal-wrapper{
    position: fixed;
    display: none;
    background-color: rgba(0,0,0,0.5);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
.html5-webcam-avatar-modal {
    background: white;
    top: 30px;
    left: 40%;
    border: 1px solid gray;
    border-radius: 5px;
    padding: 4px;
    text-align: center;
}