QPushButton样式表

QPushButton
{
    color:#ffffff; /*文字颜色*/
    background-color:qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop:0 #aa55ff, stop: 1 #1296db);/*背景色*/
    border-style:outset; /*边框风格*/
    border-width:2px;/*边框宽度*/
    border-color:#0055ff; /*边框颜色*/
    border-radius:10px; /*边框倒角*/
    font:bold 14px; /*字体*/
    font-family: Segoe UI;
    min-width:100px;/*控件最小宽度*/
    min-height:20px;/*控件最小高度*/
    padding:4px;/*内边距*/
}

QPushButton:hover
{
    color:#ffffff; /*文字颜色*/
    background-color:qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop:0 #ff55ff, stop: 1 #1296db);/*背景色*/
    border-style:outset; /*边框风格*/
    border-width:2px;/*边框宽度*/
    border-color:#0055ff; /*边框颜色*/
    border-radius:10px; /*边框倒角*/
    font:bold 14px; /*字体*/
    font-family: Segoe UI;
    min-width:100px;/*控件最小宽度*/
    min-height:20px;/*控件最小高度*/
    padding:4px;/*内边距*/
}
QPushButton:pressed
{
    color:#ffffff; /*文字颜色*/
    background-color:qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1, stop:0 #ff55ff, stop: 1 #aa00ff);/*背景色*/
    border-style:outset; /*边框风格*/
    border-width:2px;/*边框宽度*/
    border-color:#0055ff; /*边框颜色*/
    border-radius:10px; /*边框倒角*/
    font:bold 14px; /*字体*/
    font-family: Segoe UI;
    min-width:100px;/*控件最小宽度*/
    min-height:20px;/*控件最小高度*/
    padding:4px;/*内边距*/
}

效果图：正常态   hover态 按下态

参考：https://blog.csdn.net/chenyijun/article/details/88664433