#container #footer #footer_logos .autodesk_logo { float: left; display: block; width: 162px; height: 28px; margin: 12px 20px 0 0; background: url(http://www.bu.edu/dbin/ece-clotho/images/sponsor_logos/logo_autodesk.png) no-repeat 0 0; }
#container #footer #footer_logos .autodesk_logo:hover { background: url(http://www.bu.edu/dbin/ece-clotho/images/sponsor_logos/logo_autodesk_hover.png) no-repeat 0 0; }

#container #footer #footer_logos .quintara_logo { float: left; display: block; width: 171px; height: 36px; margin: 12px 0 0 20px; background: url(http://www.bu.edu/dbin/ece-clotho/images/sponsor_logos/logo_quintara.png) no-repeat 0 0; }
#container #footer #footer_logos .quintara_logo:hover { background: url(http://www.bu.edu/dbin/ece-clotho/images/sponsor_logos/logo_quintara_hover.png) no-repeat 0 0; }

#container #footer #footer_logos .synberc_logo { float: left; display: block; width: 233px; height: 62px; margin: 0 0 0 20px; background: url(http://www.bu.edu/dbin/ece-clotho/images/sponsor_logos/logo_synberc.png) no-repeat 0 0; }
#container #footer #footer_logos .synberc_logo:hover { background: url(http://www.bu.edu/dbin/ece-clotho/images/sponsor_logos/logo_synberc_hover.png) no-repeat 0 0; }

#container #footer #footer_logos .qb3_logo { float: left; display: block; width: 94px; height: 63px; margin: 0 0 0 20px; background: url(http://www.bu.edu/dbin/ece-clotho/images/sponsor_logos/logo_qb3.png) no-repeat 0 0; }
#container #footer #footer_logos .qb3_logo:hover { background: url(http://www.bu.edu/dbin/ece-clotho/images/sponsor_logos/logo_qb3_hover.png) no-repeat 0 0; }