QToolButton{
min-height:20;
border-style:solid;
border-top-left-radius:2px;
border-top-right-radius:2px;
background: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop:0 rgb(226,236,241),
stop: 0.2 rgb(233,242,247),
stop: 0.7 rgb(176,208,225),
stop: 0.8 rgb(176,208,225),
stop: 1 rgb(192,216,232));
}