<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Opacity属性</title>
<style>
.demo {
background: #009991;
padding: 15px;
text-align:center;
width:300px;
}
#rgba {
padding: 15px;
text-align:center;
width:300px;
}
.rgba1 {
background: rgba(0, 153, 145, 0.1);
}
.rgba2 {
background: rgba(0, 153, 145, 0.5);
}
.rgba3 {
background: rgba(0, 153, 145, 0.8);
}
.rgba4 {
background: rgba(0, 153, 145, 1.0);
}
.g1 {
float:left;
margin-left:50px;
}
.g2 {
margin-top:-40px;
margin-left:50px;
float:left;
}
</style>
</head>
<body>
<div class ="g1">
<p style = "font-size:24px;font-weight:bold;">透明盒子</p>
<div class = "demo" style="opacity:0.1;"><p>10% 不透明度</p></div>
<div class = "demo" style="opacity:0.5;"><p>50% 不透明度</p></div>
<div class = "demo" style="opacity:0.8;"><p>80% 不透明度</p></div>
<div class = "demo"><p>100% 不透明度</p></div></div><br><br>
<div class = "g2">
<p style = "font-size:24px;font-weight:bold;">rgba颜色值</p>
<div class="rgba1" id = "rgba"><p>10% 不透明度</p></div>
<div class="rgba2" id = "rgba"><p>50% 不透明度</p></div>
<div class="rgba3" id = "rgba"><p>80% 不透明度</p></div>
<div class="rgba4" id = "rgba"><p>100% 不透明度</p></div>
</div>
</body>
</html>
