qss 改变样式

QTabBar:top {
font-family: 微软雅黑;
}
QTabBar::tab:top {
color: white;
background-color: qlineargradient(x1:0, y1:0, x2:0, y2:1,stop:0 #c7070c,stop:0.5 #750307,stop:0.501 #ab5658,stop:1 #d0b5b7);
border-width: 1px;
border-style: solid;
border-color: rgb(128, 128, 128);
min-height: 20px;
}
QTabBar::tab:first:top {
border-top-left-radius: 5px;
}
QTabBar::tab:last:top {
border-top-right-radius: 5px;
}