body {
    font-family: "Trebuchet MS", "Helvetica", "Arial",  "Verdana", "sans-serif";
    font-size: 65%;
    }            
 
.ui-button, .ui-button-text .ui-button{                
font-size: 12px !important;          
} 
.no-close .ui-dialog-titlebar-close {display: none }