jquery +css 自定义登录框

效果展示：



自定义登录框样式文件（dialog.css）

/* input */
.ipt {
border: solid 1px #d2d2d2;
border-left-color: #ccc;
border-top-color: #ccc;
border-radius: 2px;
box-shadow: inset 0 1px 0 #f8f8f8;
background-color: #fff;
padding: 4px 6px;
height: 21px;
line-height: 21px;
color: #555;
width: 180px;
vertical-align: baseline;
}
.ipt-mini {
width: 140px;
padding: 1px 3px;
}
.ipt:focus {
border-color: #95C8F1;
box-shadow: 0 0 4px #95C8F1;
}
/* btn */
.btn {
position: relative;
cursor: pointer;
display: inline-block;
vertical-align: middle;
font-size: 12px;
font-weight: bold;
height: 27px;
line-height: 27px;
min-width: 52px;
padding: 0 12px;
text-align: center;
text-decoration: none;
border-radius: 2px;
border: 1px solid #ddd;
color: #666;
background-color: #f5f5f5;
background: -webkit-linear-gradient(top, #F5F5F5, #F1F1F1);
background: -moz-linear-gradient(top, #F5F5F5, #F1F1F1);
background: linear-gradient(top, #F5F5F5, #F1F1F1);
}
input.btn {
height: 29px;
}
.btn:hover {
border-color:#c6c6c6;
color:#333;
background-color:#f8f8f8;
background:-webkit-linear-gradient(top, #f8f8f8, #f1f1f1);
background:-moz-linear-gradient(top, #f8f8f8, #f1f1f1);
background:linear-gradient(top, #f8f8f8, #f1f1f1);
box-shadow:#ddd 0 1px 1px 0;
}
.btn:active, .btn.btn-active {
box-shadow:#ddd 0 1px 2px 0 inset;
border-color:#c6c6c6;
}
.btn:focus {
border-color:#4d90fe;
outline:none
}
.btn-primary {
border-color: #3079ED;
color: #F3F7FC;
background-color: #4D90FE;
background: -webkit-linear-gradient(top, #4D90FE, #4787ED);
background: -moz-linear-gradient(top, #4D90FE, #4787ED);
background: linear-gradient(top, #4D90FE, #4787ED);
}
.btn-primary:hover {
border-color:#2F5BB7;
color:#fff;
background-color: #4D90FE;
background: -webkit-linear-gradient(top, #4D90FE, #357AE8);
background: -moz-linear-gradient(top, #4D90FE, #357AE8);
background: linear-gradient(top, #4D90FE, #357AE8);
}
.btn-primary:active, .btn-primary.btn-active {
box-shadow:#2176D3 0 1px 2px 0 inset;
border-color: #3079ED;
}
.btn-primary:focus {
border-color:#4d90fe;
outline:none
}
/* 代码整理：懒人之家 www.lanrenzhijia.com */
.theme-buy {
margin-top:10%;
text-align: center;
}
.theme-gobuy, .theme-signin {
font-size: 15px;
}
.theme-price {
position: relative;
bottom: -6px;
font-family: microsoft yahei, Arial, Helvetica, sans-serif;
margin-right: 20px;
font-weight: bold;
color: #f60;
line-height: 32px;
font-size: 24px;
display: inline-block;
}
.theme-price dfn {
font-style: normal;
font-size: 18px;
margin-right: 2px;
}
.theme-desc {
padding: 30px;
}
.theme-version {
padding: 30px;
}
.theme-popover-mask {
z-index: 9998;
position:fixed;
top:0;
left:0;
width:100%;
height:100%;
background:#000;
opacity:0.4;
filter:alpha(opacity=40);
display:none
}
.theme-popover {
z-index:9999;
position:fixed;
top:50%;
left:50%;
width:660px;
height:360px;
margin:-180px 0 0 -330px;
border-radius:5px;
border:solid 2px #666;
background-color:#fff;
display:none;
box-shadow: 0 0 10px #666;
}
.theme-poptit {
border-bottom:1px solid #ddd;
padding:12px;
position: relative;
}
.theme-popbod {
padding:60px 15px;
color:#444;
height: 148px;
}
.theme-popbom {
padding:15px;
background-color:#f6f6f6;
border-top:1px solid #ddd;
border-radius:0 0 5px 5px;
color:#666
}
.theme-popbom a {
margin-left:8px
}
.theme-poptit .close {
float:right;
color:#999;
padding:5px;
margin:-2px -5px -5px;
font:bold 14px/14px simsun;
text-shadow:0 1px 0 #ddd
}
.theme-poptit .close:hover {
color:#444;
}
.btn.theme-reg {
position: absolute;
top: 8px;
left: 43%;
display: none
}
.inp-gray, .feed-mail-inp {
border:1px solid #ccc;
background-color:#fdfdfd;
width:220px;
height:16px;
padding:4px;
color:#444;
margin-right:6px
}
.dform {
padding:80px 60px 40px;
text-align: center;
}
.dform .ipt_error {
background-color:#FFFFCC;
border-color:#FFCC66
}
.dform-tip {
display:none;
background-color:#080;
color:#fff;
line-height:42px;
margin-top:10px;
display:;
font-size: 14px;
}
.dform-tip-errer {
background-color: #CF301A;
}
.dform-tip a {
display: inline-block;
padding: 0 20px;
margin-left:10px;
background-color: #FFE924;
color: #CF301A;
}
.dform-login {
padding:0;
height: 270px;
overflow: hidden;
}
.dform-login iframe {
height: 470px;
margin-top: -180px;
}
.theme-signin {
margin: -50px -20px -50px 90px;
text-align:left;
font-size: 14px;
}
.theme-signin h4 {
color:#999;
font-weight:100;
margin-bottom: 20px;
font-size: 12px;
}
.theme-signin li {
padding-left: 80px;
margin-bottom: 15px;
}
.theme-signin li strong {
float: left;
margin-left: -80px;
width: 80px;
text-align: right;
line-height: 32px;
}
.theme-signin .btn {
margin-bottom: 10px;
}
.theme-signin p {
font-size: 12px;
color: #999;
}
.theme-desc, .theme-version {
padding-top: 0
}

jquery 相关代码：
<script type="text/javascript"
src="<%=basePath%>backstage/js/jquery-1.9.0.js"></script>
<script>
jQuery(document).ready(function($) {
$('.theme-popover-mask').fadeOut(100);
$('.theme-popover').slideUp(200);

$('#login_in').click(function(){
$('.theme-popover-mask').fadeIn(100);
$('.theme-popover').slideDown(200);
})
$('.theme-poptit .close').click(function(){
$('.theme-popover-mask').fadeOut(100);
$('.theme-popover').slideUp(200);
})
})

</script>