css下背景渐变与底部固定的蓝天白云

 <?php

 defined('_JEXEC') or die;  

 JHtml::_('behavior.framework', true);  

 //if(!$templateparams->get('html5', 0)): 

 ?>  

 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $this->language; ?>" lang="<?php echo $this->language; ?>" dir="<?php echo $this->direction; ?>" >

 <head>

 <!--jdoc:include type="head" /-->

 <style type="text/css">

 html {

     height: 100%;

 }

 body

 {

 <!--

 background:url(http://127.0.0.1/joomla25/templates/usegear/images/bg.png);

 /*background-image:url(http://127.0.0.1/joomla25/templates/usegear/images/bg.png)*/

 /*background-size:100% 100%;*/

 background-size:100% 800%;

 background-repeat:no-repeat;

 padding-bottom:80px;

 -->

  height: 100%;

  background-attachment: fixed;

  margin:0;

 padding:0;

  background-repeat: no-repeat;

         background: rgb(30,87,153); /* Old browsers */

         background: -moz-linear-gradient(top, rgba(30,87,153,1) 0%, rgba(125,185,232,1) 90%); /* FF3.6+ */

         background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(30,87,153,1)), color-stop(90%,rgba(125,185,232,1))); /* Chrome,Safari4+ */

         background: -webkit-linear-gradient(top, rgba(30,87,153,1) 0%,rgba(125,185,232,1) 90%); /* Chrome10+,Safari5.1+ */

         background: -o-linear-gradient(top, rgba(30,87,153,1) 0%,rgba(125,185,232,1) 90%); /* Opera 11.10+ */

         background: -ms-linear-gradient(top, rgba(30,87,153,1) 0%,rgba(125,185,232,1) 90%); /* IE10+ */

         background: linear-gradient(to bottom, rgba(30,87,153,1) 0%,rgba(125,185,232,1) 90%); /* W3C */

 }

 #body_foot

 {

  position:absolute; bottom:0px; right:0px;

 background:url(http://127.0.0.1/LXX/pictures/cloud.png);/*,url(http://127.0.0.1/LXX/pictures/cloud2.png);*/

 background-size:30% 180%;

 -moz-background-size:63px 130px; /* 老版本的 Firefox */

 background-repeat:repeat;

 padding-bottom:1%;

  margin:0;

 }

 #body_foot1

 {

  position:absolute; bottom:0px; right:0px;

 background:url(http://127.0.0.1/LXX/pictures/cloud2.png);/*,url(http://127.0.0.1/LXX/pictures/cloud2.png);*/

 background-size:40% 180%;

 -moz-background-size:63px 130px; /* 老版本的 Firefox */

 background-repeat:repeat;

 padding-bottom:1%;

  margin:0;

 }

 </style>

 </head>

 <body>

 <div>

 <p></p>

 <p>rtyeryteryteryteryt</p>

 <p>rtyeryt</p>

 <p>ertyerytre</p>

 <p>ertyerytre</p>

 <p>ertyerytre</p>

 <p>ertyerytre</p>

 <p>ertyerytre</p>

 <p>ertyerytre</p>

 </div>

 <div  id="body_foot1"  style="position:absolute;bottom:1px;height:20%; width:100%; ">

  <div  id="body_foot"  style="position:absolute;bottom:1px;height:100%; width:100%; ">

  </div>

 </div>

 </div>

 </div>

 </body>

 </html>

其中主要有：
1、渐变背景的的设定：body{}

2、动态在低端的白云：设定了body_foot1和body_foot1中的循环图片显示定义，以及div动态底端的设定。以及嵌套div掩盖白云图片规律性显示。

巴特西

css下背景渐变与底部固定的蓝天白云

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