Five Tips For the Effective Use of PNG Images

  div#logo {
      background: url(logo.png);
      width: 300px;
      height: 100px;
  }

  * html div#logo {
      background: none;
      filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='http://domain.tld/logo.png',sizingMethod='scale');
  }