css下背景渐变与底部固定的蓝天白云

  1 <?php
  2 defined('_JEXEC') or die;  
  3 
  4 
  5 JHtml::_('behavior.framework', true);  
  6 
  7 //if(!$templateparams->get('html5', 0)): 
  8     
  9 
 10 ?>  
 11 
 12 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 13 
 14 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $this->language; ?>" lang="<?php echo $this->language; ?>" dir="<?php echo $this->direction; ?>" >
 15 <head>
 16 <!--jdoc:include type="head" /-->
 17 <style type="text/css">
 18 
 19 html {
 20     height: 100%;
 21 }
 22 body 
 23 {
 24 <!--
 25 background:url(http://127.0.0.1/joomla25/templates/usegear/images/bg.png);
 26 /*background-image:url(http://127.0.0.1/joomla25/templates/usegear/images/bg.png)*/
 27 /*background-size:100% 100%;*/
 28 
 29 background-size:100% 800%;
 30 
 31 background-repeat:no-repeat;
 32 padding-bottom:80px;
 33 
 34 -->
 35 
 36 
 37  height: 100%;
 38  background-attachment: fixed;
 39  margin:0;
 40 padding:0;
 41  background-repeat: no-repeat;
 42         background: rgb(30,87,153); /* Old browsers */
 43 
 44         background: -moz-linear-gradient(top, rgba(30,87,153,1) 0%, rgba(125,185,232,1) 90%); /* FF3.6+ */
 45 
 46         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+ */
 47 
 48         background: -webkit-linear-gradient(top, rgba(30,87,153,1) 0%,rgba(125,185,232,1) 90%); /* Chrome10+,Safari5.1+ */
 49 
 50         background: -o-linear-gradient(top, rgba(30,87,153,1) 0%,rgba(125,185,232,1) 90%); /* Opera 11.10+ */
 51 
 52         background: -ms-linear-gradient(top, rgba(30,87,153,1) 0%,rgba(125,185,232,1) 90%); /* IE10+ */
 53 
 54         background: linear-gradient(to bottom, rgba(30,87,153,1) 0%,rgba(125,185,232,1) 90%); /* W3C */
 55 
 56 
 57 }
 58 
 59 #body_foot
 60 {
 61 
 62  position:absolute; bottom:0px; right:0px;
 63 
 64 
 65 
 66 
 67 background:url(http://127.0.0.1/LXX/pictures/cloud.png);/*,url(http://127.0.0.1/LXX/pictures/cloud2.png);*/
 68 background-size:30% 180%;
 69 -moz-background-size:63px 130px; /* 老版本的 Firefox */
 70 background-repeat:repeat;
 71 padding-bottom:1%;
 72 
 73  margin:0;
 74 
 75 }
 76 
 77 #body_foot1
 78 {
 79 
 80  position:absolute; bottom:0px; right:0px;
 81 
 82 
 83 
 84 
 85 background:url(http://127.0.0.1/LXX/pictures/cloud2.png);/*,url(http://127.0.0.1/LXX/pictures/cloud2.png);*/
 86 background-size:40% 180%;
 87 -moz-background-size:63px 130px; /* 老版本的 Firefox */
 88 background-repeat:repeat;
 89 padding-bottom:1%;
 90 
 91  margin:0;
 92 
 93 }
 94 
 95 
 96 </style>
 97 </head>
 98 <body>
 99 <div>
100 <p></p>
101 <p>rtyeryteryteryteryt</p>
102 <p>rtyeryt</p>
103 <p>ertyerytre</p>
104 <p>ertyerytre</p>
105 <p>ertyerytre</p>
106 <p>ertyerytre</p>
107 <p>ertyerytre</p>
108 <p>ertyerytre</p>
109 </div>
110 
111 <div  id="body_foot1"  style="position:absolute;bottom:1px;height:20%; 100%; ">
112  <div  id="body_foot"  style="position:absolute;bottom:1px;height:100%; 100%; ">
113    
114  
115  </div>
116 </div>
117 
118 
119 
120 
121 </div>
122 </div>
123   
124 </body>
125 </html>
View Code
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。