我怎样才能让我的网站的背景透明而不做内容（图片及文字）透明吗？ [英] How can I make my website's background transparent without making the content (images & text) transparent too?
本文介绍了我怎样才能让我的网站的背景透明而不做内容（图片及文字）透明吗？的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我做了一个学校项目一个网站，我目前有一个小问题......我不能让身体的背景透明，没有它也影响它的内容。
I'm doing a website for a school project, and I'm currently having a small problem... I can't make the body's background transparent without it also affecting the content in it.
下面是我的HTML code：
Here's my HTML code:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<meta http-equiv="Content-Style-Type" content="text/css" />
<title>text</title>
<link href="style.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div class="head">
</div>
<div id="wrapper">
<ul id="nav">
<li><a href="index.htm">Inicio</a></li>
<li><a href="sobre.htm">Sobre a banda</a></li>
<li><a href="membros.htm">Membros</a></li>
<li><a href="bilhetes.htm">Bilhetes</a></li>
<li><a href="galeria.htm">Galeria</a></li>
<li><a href="areapessoal.php">Área Pessoal</a></li>
</ul>
<h1><a href="index.htm"><img src="images/a7x-avenged-sevenfold-7050435-1024-831.jpg" width="130" height="25" alt="Rock Band" /></a></h1>
<div id="body">
<div id="bodyi">
<div id="bodyj">
<div id="sidebar">
<div class="content">
<h2>Galeria de imagens</h2>
<p>Aqui poderá encontrar uma galeria de imagens da banda, com fotos de concertos,
<img src="images/denmark.jpg" width="91" height="72" alt="" />
entre outras imagens.</p>
<p class="readmore"><a href="galeria.htm">Ver</a></p>
</div>
<div class="content">
<h2>Noticias</h2>
<h3>18 de Abril, 2011</h3>
<h4>"So Far Away" vai ter videoclip</h4>
<p>Muitos se questionavam se o mais recente single dos Avenged Sevenfold, "So Far Away", ia ter direito a um videoclip. Eis que surge a boa notícia para os fãs dos A7X: So Far Away vai ter videoclip.
<img src="images/63781127.jpg" width="95" height="73" alt="pic 3" />
Já foram divulgadas algumas fotos do set de filmagens.</p>
<h3>10 de Março, 2011</h3>
<h4>A7X nomeados para a Metal Hammer Golden Gods Awards 2011</h4>
<p>Os Avenged Sevenfold foram nomeados para a Metal Hammer Golden Gods Awards 2011 em duas categorias.
As categorias onde os A7X estão a participar são as seguintes:<p>
- Best International Band (Melhor Banda Internacional)<p>
- Best Shredder (com o Synyster Gates) (Melhor Shredder)</p>
</div>
</div>
<div id="content">
<center><img src="images/avengeds.jpg" width="346" height="234" alt="four men walking" /></center>
<div class="content">
<h2>O album mais recente</h2>
<img src="images/nightmare.jpg" width="82" height="80" alt="Unwired album cover" class="left" />
<p>Os californianos Avenged Sevenfold estão de volta aos discos com "Nightmare". Solos de guitarra, vocalizações rasgadas e um som contagiante continuam a ser a base do sucesso de uma das bandas de heavy-metal com mais fãs no mundo inteiro.
Fundados em 1999 por M. Shadows, Synyster Gates, Zacky Vengeance, Johnny Christ e The Rev - baterista que faleceu em Dezembro de 2009 passado e que foi substituido neste disco por Mike Portnoy, dos Dream Theater - os Avenged Sevenfold já contam com cinco discos de originais na sua carreira.</p>
<div class="divider"></div>
<h2>Musicas com maior sucesso</h2>
<table summary="track downloads" border="0" cellspacing="0">
<tr>
<th width="55%">Faixa</th>
<th>Album</th>
<th class="hidden">Dowload links</th>
</tr>
<tr>
<td>Bat Country</td>
<td>City of Evil</td>
<td class="download"><a href="http://www.youtube.com/watch?v=IHS3qJdxefY">Ouvir</a></td>
</tr>
<tr>
<td>Beast and the Harlot</td>
<td>City of Evil</td>
<td class="download"><a href="http://www.youtube.com/watch?v=7bDg7n-chhU">Ouvir</a></td>
</tr>
<tr>
<td>Seize the Day</td>
<td>City of Evil</td>
<td class="download"><a href="http://www.youtube.com/watch?v=jUkoL9RE72o">Ouvir</a></td>
</tr>
<tr>
<td>Almost Easy</td>
<td>Avenged Sevenfold</td>
<td class="download"><a href="http://www.youtube.com/watch?v=Fi_GN1pHCVc">Ouvir</a></td>
</tr>
<tr>
<td>Afterlife</td>
<td>Avenged Sevenfold</td>
<td class="download"><a href="http://www.youtube.com/watch?v=HIRNdveLnJI">Ouvir</a></td>
</tr>
<tr>
<td>Nightmare</td>
<td>Nightmare</td>
<td class="download"><a href="http://www.youtube.com/watch?v=94bGzWyHbu0">Ouvir</a></td>
</tr>
<tr>
<td>Welcome to the Family</td>
<td>Nightmare</td>
<td class="download"><a href="http://www.youtube.com/watch?v=1OZs7IoWTvc">Ouvir</a></td>
</tr>
</table>
</div>
</div>
<div class="clear"></div>
</div>
</div>
</div>
<div align="right">
<font size="2">text</font>
</div>
</div>
</body>
</html>
和这里的CSS code：
And here's the CSS code:
.head{
width: 150px;
height: 160px;
}
body {
font-family: tahoma, helvetica, arial, sans-serif;
font-size: 12px;
text-align: center;
background: #000;
color: #ddd4d4;
padding-top: 12px;
line-height: 2;
background-image: url('images/background.jpg');
background-repeat: no-repeat;
background-attachment: fixed;
background-size: 100%;
opacity: 0.8;
filter:alpha(opacity=80);
}
td, th {
font-size: 12px;
text-align: left;
line-height: 2;
}
#wrapper {
margin: auto;
text-align: left;
width: 832px;
position: relative;
padding-top: 27px;
}
#body {
background: url(images/body_bg_1.gif) repeat-y;
width: 832px;
}
#bodyi {
background: url(images/body_top_1.gif) no-repeat;
width: 832px;
}
#bodyj {
background: url(images/body_bot_1.gif) bottom no-repeat;
padding: 1px 0;
}
#body2 {
background: url(images/body_bg_2.gif) repeat-y;
width: 832px;
}
#bodyi2 {
background: url(images/body_top_2.gif) no-repeat;
width: 832px;
}
#bodyj2 {
background: url(images/body_bot_2.gif) bottom no-repeat;
padding: 1px 0;
}
h1, h2, h3, #nav, #nav li {
margin: 0; padding: 0;
}
#nav {
font-size: 10px;
position: absolute;
right: 0;
top: 12px;
line-height: 1.2;
padding-left: 120px;
}
#nav li {
float: left;
width: 108px;
list-style: none;
margin-left: 2px;
border-bottom: 1px solid black;
}
#nav a {
background: #738d09;
color: #2e3901;
font-weight: bold;
text-decoration: none;
display: block;
text-align: center;
padding: 1px 0;
}
#sidebar {
float: left;
width: 250px;
padding-left: 4px;
}
#sidebar .content {
padding-left: 24px;
}
#sidebar .content img {
float: left;
clear: left;
margin: 5px 5px 5px 0;
}
#sidebar .divider {
background: url(images/left_splitter.gif) center no-repeat;
height: 5px;
width: 169px;
}
#content {
float: right;
width: 462px;
}
#content1 {
float: left;
width: 800px;
}
#content1 .content {
margin: 7px 35px 7px 20px;
padding-left: 20px;
}
#content .content {
margin: 7px 55px 7px 17px;
}
#content .content table {
width: 310px;
margin-right: 0px;
}
#content .content table td,
#content .content table th {
padding-right: 10px;
}
#content .content table td.download {
text-align: right;
padding-right: 0px;
}
#content .divider {
background: url(images/right_splitter.gif) repeat-x;
height: 5px;
}
h1 {
position: absolute;
left: 0;
top: 0;
}
h2 {
font-size: 10px;
color: #cf9118;
margin: 1em 0;
}
h3 {
font-size: 10px;
margin: 1em 0;
}
h5 {
font-size: 20px;
color: #cf9118;
margin: 1em 0;
text-align: center;
}
h6 {
font-size: 18px;
margin: 1em 0;
}
p {
margin: 1em 0;
}
img {
border: 0;
}
img.left { float: left; margin-right: 14px; }
img.right { float: right; margin-left: 14px; }
.readmore {
text-align: right;
}
.hidden {
visibility: hidden;
}
.clear {
clear: both;
}
a {
color: #f0b33c;
font-weight: bold;
text-decoration: none;
}
a:visited {
color: #cf9118;
}
a:hover {
text-decoration: underline;
}
table a {
text-decoration: underline;
font-weight: normal;
color: #7f7c79;
}
#power {color:#fff;text-align:center;}
#power a {color:#fff;}
任何帮助的AP preciated ...先谢谢了。
Any help's appreciated... Thanks in advance.
推荐答案
我觉得最简单的解决方案，而不是使体元素部分透明，将添加额外的 DIV 持有的背景下，并改变不透明度在那里，而不是。
I think the simplest solution, rather than making the body element partially transparent, would be to add an extra div to hold the background, and change the opacity there, instead.
所以，你会添加 DIV 这样的：
So you would add a div like:
<div id="background"></div>
和移动你的体元素的背景CSS它，以及一些额外的定位属性，如：
And move your body element's background CSS to it, as well as some additional positioning properties, like this:
#background {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-image: url('images/background.jpg');
background-repeat: no-repeat;
background-attachment: fixed;
background-size: 100%;
opacity: 0.8;
filter:alpha(opacity=80);
}
下面是一个例子： http://jsfiddle.net/nbVg4/4/
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