videopdf/static/css/pdfvideo.css

.button {
    position: absolute;
    width: 20px;
    height: 20px;
    padding: 4px;
    border: 2px solid rgb(255, 255, 255);
    border-radius: 16px;
}
.playButton {
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}
.editButton {
    right: 8px;
    bottom: 8px;
}