QTablewidget样式滚动条表头Qss样式设置

如下图所示设置Qtablewidget样式，表头颜色设置，选中列背景色设置等

QTableWidget
{
    background: #303033;
}
QTableWidget::item
{
    color:rgba(255,255,255,150);
    background: #303033;
    text-align:center;
}
QTableWidget::item:hover
{
    color:#FFFFFF;
    background: #4B4B4D;
}
QTableWidget::item:selected
{
    color:#FFFFFF;
    background: #4B4B4D;
}
QHeaderView::section,QTableCornerButton:section
{ 
    text-align:center;
    padding:3px; 
    margin:0px; 
    color:#DCDCDC; 
    border:1px solid #242424; 
    border-left-width:0px; 
    border-right-width:1px; 
    border-top-width:0px;
     border-bottom-width:1px; 
    background:qlineargradient(spread:pad,x1:0,y1:0,x2:0,y2:1,stop:0 #646464,stop:1 #525252);
 }
QHeaderView::section:selected
{ 
    color:#FFFFFF; 
    border:1px solid #242424; 
 }
QScrollBar:vertical{ 
    width:8px;  
    border-style:flat;
    border-radius: 4px;
    border:0px;
     background: #19191A;
} 
QScrollBar::handle:vertical{ 
    background: rgba(255,255,255,0.50);
    border-radius: 4px;
    width:8px; 
    min-height:91px; 
    border-style:flat;
}
QScrollBar::handle:vertical::hover{ 
    background: rgba(255,255,255,0.90);
    border-radius: 4px;
    width:8px; 
}
QScrollBar::handle:vertical::pressed{ 
    background: rgba(255,255,255,0.90);
    border-radius:4px;
    width:8px; 
}
QScrollBar::sub-page:vertical {
    background: #19191A;
border-style:flat;
}
QScrollBar::add-page:vertical {
   background: #19191A;
border-style:flat;
}
QScrollBar::add-line:vertical{
   background: #19191A;
}
QScrollBar::sub-line:vertical {
   background: #19191A;
}
QScrollBar:horizontal{ 
    height:8px;  
    border-style:flat;
    border-radius: 4px;
    border:0px;
background: #19191A;
} 
QScrollBar::handle:horizontal{ 
    background: rgba(255,255,255,0.50);
    border-radius: 4px;
    height:8px; 
    min-width:91px; 
    border-style:flat;
}
QScrollBar::handle:horizontal::hover{ 
    background: rgba(255,255,255,0.90);
    border-radius: 4px;
    height:8px; 
}
QScrollBar::handle:horizontal::pressed{ 
    background: rgba(255,255,255,0.90);
    border-radius:4px;
    height:8px; 
}
QScrollBar::sub-page:horizontal {
    background: #19191A;
    border-style:flat;
}
QScrollBar::add-page:horizontal {
   background: #19191A;
    border-style:flat;
}
QScrollBar::sub-line:horizontal {
   background: #19191A;
}
QScrollBar::add-line:horizontal{
   background: #19191A;
}