摘一些自己设计的QSS（一）

QScrollBar:vertical {
    background: #444444;
    width: 19px;
    margin: 20px 0 20px 0;
}

QScrollBar::handle:vertical {
    background: #777777;
    border: 1px solid #444444;
    border-radius: 2px;
    min-height: 19px;
}

QScrollBar::handle:vertical:hover {
    background: #999999;
    border: 1px solid #444444;
    border-radius: 2px;
    min-height: 19px;
}

QScrollBar::add-line:vertical {
    background: #555555;
    height: 19px;
    subcontrol-position: bottom;
    subcontrol-origin: margin;
}

QScrollBar::sub-line:vertical {
    background: #555555;
    height: 19px;
    subcontrol-position: top;
    subcontrol-origin: margin;
}

QScrollBar::add-page:vertical, QScrollBar::sub-page:vertical {
    background: none;
}

QScrollBar:up-arrow:vertical {
    border: 2px solid #444444;
    width: 6px;
    height: 6px;
    background: #666666;
}

QScrollBar:down-arrow:vertical {
    border: 2px solid #444444;
    width: 6px;
    height: 6px;
    background: #666666;
}