QProgressBar {
border: 1px solid black;
text-align: top;
padding: 1px;
border-top-left-radius: 7px;
border-bottom-left-radius: 7px;
background: QLinearGradient( x1: 0, y1: 0, x2: 0, y2: 1,
stop: 0 #fff,
stop: 0.4999 #eee,
stop: 0.5 #ddd,
stop: 1 #eee );
width: 15px;
}
QProgressBar::chunk {
background: QLinearGradient( x1: 0, y1: 0, x2: 1, y2: 0,
stop: 0 #0000ff,
stop: 1 #ff0000 );
border-top-left-radius: 7px;
border-bottom-left-radius: 7px;
border: 1px solid black;
}