Transparent DIV in IE8

I have a DIV with an iframe that is displaying as partially transparent in Internet Explorer 8 no matter what parameters I adjust. It displays fine in Chrome and Firefox.

<!-- Modal -->
<div class="modal" id="MeetingModal" tabindex="-1" role="dialog" aria-labelledby="modalMeetingLabel" aria-hidden="true" style="margin-left:-30%; position:absolute; background-color:white; left: 50%; top: 10%; -moz-opacity: 1;opacity:1;filter: alpha(opacity=70);">
 <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header" >
      <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>              
        <h4 class="modal-title" id="AddMeetingLabel">Add Meeting</h4>
      <div class="modal-body" style="left: 0px; top: 0px;height:600px; background:white">
          <iframe id="iFrameMeeting" frameborder="0" allowtransparency="false" marginwidth="1" marginheight="1" height="400px" width="100%" scrolling="no"></iframe>  
    <!-- /.modal-content -->
  <!-- /.modal-dialog -->

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It is being opened using the function

function LoadMeetingModal(){
    $('#iFrameMeeting').attr("src", "/prd/hcctesting/Pages/pharmslt_new.aspx");

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What CSS reference or code do I need to adjust to get his to be 100% opaque (0% transparency).
Adam EhrenworthLead Technology AnalystAsked:
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Russ SuterSenior Software DeveloperCommented:
This should do it for all browsers

  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";

  /* IE 5-7 */
  filter: alpha(opacity=100);

  /* Netscape */
  -moz-opacity: 1;

  /* Safari 1.x */
  -khtml-opacity: 1;

  /* Good browsers */
  opacity: 1;

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Here's the trick. You need to make sure your CSS loads last. Also, if there's a css setting somewhere up in the cascade that has the !important attribute set it doesn't matter where you put your CSS unless you also use the !important attribute.

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Julian HansenCommented:
Just as a matter of interest - IE 8 is long dead why are you worrying about it?
Adam EhrenworthLead Technology AnalystAuthor Commented:
Work for a company where IE8 is still a standard platform because of legacy tools.  Google chrome has been introduced as an alternative but because of our size we have not yet been able to make it the standard default on all machines so we need to make sure we code for issues associated with IE8 at least for another year... it is very frustrating.
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