当我点击成功按钮时会出现此消息，背景变得模糊。我需要当我点击关闭按钮时身体的背景变得正常。我非常感谢你的帮助。
#card {
position: absolute;
top: 30px;
width: 340px;
margin: -5px 0 0 -400px;
display: block;
text-align: center;
font-family: Arial;
}
#upper-side {
padding: 2em;
background-color: #3CB371;
display: block;
color: #fff;
border-top-right-radius: 8px;
border-top-left-radius: 8px;
}
#checkmark {
font-weight: lighter;
fill: #fff;
margin: -3.5em auto auto 20px;
}
#status {
font-weight: lighter;
text-transform: uppercase;
letter-spacing: 2px;
font-size: 1em;
margin-top: -.2em;
margin-bottom: 0;
}
#lower-side {
padding: 2em 2em 5em 2em;
background: #F0F0F0;
display: block;
border-bottom-right-radius: 8px;
border-bottom-left-radius: 8px;
}
#message {
font-family: Arial;
margin-top: -.5em;
color: #757575;
letter-spacing: 1px;
}
{% if success %}
<body style="filter: blur(2px);" >
<div id="messageContainer">
<div id='card' class="animated fadeIn">
<div id='upper-side'>
<?xml version="1.0" encoding="utf-8"?>
<!-- Generator: Adobe Illustrator 17.1.0, SVG Export Plug-In . SVG Version: 6.00 Build 0) -->
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg version="1.1" id="checkmark" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" xml:space="preserve">
<path d="M131.583,92.152l-0.026-0.041c-0.713-1.118-2.197-1.447-3.316-0.734l-31.782,20.257l-4.74-12.65
c-0.483-1.29-1.882-1.958-3.124-1.493l-0.045,0.017c-1.242,0.465-1.857,1.888-1.374,3.178l5.763,15.382
c0.131,0.351,0.334,0.65,0.579,0.898c0.028,0.029,0.06,0.052,0.089,0.08c0.08,0.073,0.159,0.147,0.246,0.209
c0.071,0.051,0.147,0.091,0.222,0.133c0.058,0.033,0.115,0.069,0.175,0.097c0.081,0.037,0.165,0.063,0.249,0.091
c0.065,0.022,0.128,0.047,0.195,0.063c0.079,0.019,0.159,0.026,0.239,0.037c0.074,0.01,0.147,0.024,0.221,0.027
c0.097,0.004,0.194-0.006,0.292-0.014c0.055-0.005,0.109-0.003,0.163-0.012c0.323-0.048,0.641-0.16,0.933-0.346l34.305-21.865
C131.967,94.755,132.296,93.271,131.583,92.152z" />
<circle fill="none" stroke="#ffffff" stroke-width="5" stroke-miterlimit="10" cx="109.486" cy="104.353" r="32.53" />
</svg>
<h3 id='status'>
Success
</h3>
</div>
<div id='lower-side'>
<p id='message'>
Thank you for your interest in Neotic.
</p>
<div>
<a href="#" data-rel="back" class="ui-btn ui-corner-all ui-shadow ui-btn ui-icon-delete ui-btn-icon-notext ui-btn-right" onclick="$('#card').hide();">X</a>
</div>
</div>
</div>
{% endif %}