body, body.v4.master {overflow:visible !important; height: inherit; width: inherit; }  
body #s4-workspace {overflow:visible !important; padding-top:44px;}  

 /*This sets up our Ribbon for a fixed position. */ 
body #s4-ribbonrow{ position: fixed;top:0px;z-index:1000;width: 100%;}  
* html #s4-ribbonrow {position:absolute;}   

 /* Set the ribbon popups to be fixed position also */ 
 #s4-ribbonrow .ms-MenuUIPopupBody, #s4-ribbonrow .ms-popoutMenu, .ms-cui-menu[id ^="Ribbon."], .ms-cui-tooltip 
 {  
 position: fixed !important;  
 }  

 * html #s4-ribbonrow .ms-MenuUIPopupBody, * html #s4-ribbonrow .ms-popoutMenu, * html .ms-cui-menu[id ^= "Ribbon."], * html .ms-cui-tooltip 
 {  
 position: absolute !important;  
 }  

 /*Make sure there are no scroll bars on our popup overlays */
 .ms-dlgOverlay {width: 100% !important }