<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>基础样式设置</title>
<style>
.clear{ clear: both }
#box{ width: 100px; height:100px; border:2px solid #ddd;}
.upbox_bg{ background: #000; opacity: 0.4; filter:alpha(opacity=40);-moz-opacity:0.4;-khtml-opacity:0.4; position: fixed; width: 100%; height: 100%;display: none;}
.upbox{background: #fff; width:300px; height: 200px; z-index: 1000; position:fixed; margin: -100px 0 0 -150px; left: 50%; top: 50%; display: none;}
.upbox div a{ color: #fff; width: 30px; height: 30px; text-align: center; display: block; line-height: 30px; float: left; margin-right: 20px; }
.upbox div span{ float: left; }
a#red{ background: red; }
a#yellow{ background:yellow; }
a#blue{ background:blue; }
.upbox div a#w200 ,.upbox div a#w300 ,.upbox div a#w400 ,.upbox div a#h200,.upbox div a#h300,.upbox div a#h400{ border: 1px solid #666; color: #666; }
</style>
</head>
<script type="text/javascript" src="js/jquery-1.12.1.js"></script>
<script type="text/javascript">
window.onload = function(){
var oAa = document.getElementById('aa');
oBtn1 = document.getElementById('btn1')
oRed = document.getElementById('red');
oYellow = document.getElementById('yellow');
oBlue = document.getElementById('blue');
oW200 = document.getElementById('w200');
oW300 = document.getElementById('w300');
oW400 = document.getElementById('w400');
oH200 = document.getElementById('h200');
oH300 = document.getElementById('h300');
oH400 = document.getElementById('h400');
oHf = document.getElementById('hf');
oQd = document.getElementById('qd');
oBox = document.getElementById('box');
oUpbox_bg = document.getElementById('upbox_bg')
oUpbox = document.getElementById('upbox')
oBtn1.onclick = function(){
oUpbox_bg.style.display = 'block'
oUpbox.style.display = 'block'
}
oRed.onclick = function(){
oBox.style.background = 'red'
}
oYellow.onclick = function(){
oBox.style.background = 'yellow'
}
oBlue.onclick = function(){
oBox.style.background = 'blue'
}
oW200.onclick = function(){
oBox.style.width = '200px'
}
oW300.onclick = function(){
oBox.style.width = '300px'
}
oW400.onclick = function(){
oBox.style.width = '400px'
}
oH200.onclick = function(){
oBox.style.height = '200px'
}
oH300.onclick = function(){
oBox.style.height = '300px'
}
oH400.onclick = function(){
oBox.style.height = '400px'
}
oHf.onclick = function(){
oBox.style.height = '100px'
oBox.style.width = '100px'
oBox.style.background = 'none'
}
oQd.onclick = function(){
oUpbox_bg.style.display = 'none'
oUpbox.style.display = 'none'
}
}
</script>
<body>
<!-- 弹框 -->
<div id="aa" style=" width: 100%; height: 100%;">
<div class="upbox_bg" id="upbox_bg"></div>
<div class="upbox" id="upbox">
<div><span>请选择背景颜色:</span><a id="red" href="javascript:void(0)">红</a><a id="yellow" href="javascript:void(0)">黄</a><a id="blue" href="javascript:void(0)">蓝</a></div>
<div><span>请选择宽度:</span><a id="w200" href="javascript:void(0)">200</a><a id="w300" href="javascript:void(0)">300</a><a id="w400" href="javascript:void(0)">400</a></div>
<div><span>请选择高度:</span><a id="h200" href="javascript:void(0)">200</a><a id="h300" href="javascript:void(0)">300</a><a id="h400" href="javascript:void(0)">400</a></div>
<div class="clear"></div>
<input id="hf" type="button" name="" value="恢复"><input id="qd" type="button" name="" value="确定">
</div>
</div>
为下面div设置样式:<input id="btn1" type="button" name="" value="点击设置">
<div id="box"></div>
</body>
</html>