#toolbarDiv .ui-icon
{
   background-size: 100%;
   margin: -29px; /*Must be negative half of height and width*/
   height: 58px;
   width: 58px;
}

#toolbarDiv .ui-button
{
   height: 60px;
   width: 60px;
}

#toolbarDiv
{
   padding: 2px;
   white-space: nowrap;
   overflow: auto;
   -webkit-overflow-scrolling: touch; 
   /*Without -webkit, no fancy scroll for iPhone*/
}