1. 通用属性
颜色和背景
color: #RRGGBB;
background-color: #RRGGBB;
border-color: #RRGGBB;
background-image: url(path);
background-repeat: repeat-x;
background-position: center;
alternate-background-color: color;
background-color: transparent;
边框
border: width style color;
border-width: 1px;
border-style: solid;
border-radius: 5px;
border-top, border-right, etc.
字体
font-family: "Arial";
font-size: 12px;
font-weight: bold;
font-style: italic;
尺寸和位置
width: 100px;
height: 50px;
min-width, max-width;
min-height, max-height;
padding: 5px;
margin: 5px;
scrollArea->setWindowOpacity(0.0);
scrollArea->setWindowOpacity(1.0);
scrollArea->setWindowOpacity(0.5);