.proactive-monitoring-layout { min-width: 800px; min-height: 800px; } .proactive-monitoring-main-stage-container { float: left; clear: left; margin: 0px; padding: 0px; min-width: 545px; height: 100%; overflow: hidden; } .proactive-monitoring-sidebar-container { float: right; clear: right; border-left: 1px solid #CCCCCC; margin: 0px; padding: 0px; width: 300px; height: 100%; overflow-y: scroll; }