body {  
	font-weight: 400;
	font-family: open sans,arial,helvetica,sans-serif;
	font-style: normal;
	font-size: 20px;
}
    span.guimenu {font-weight: bold;}
    span.guisubmenu {font-weight: bold;}
    span.guimenuitem {font-weight: bold;}
    span.guibutton {font-weight: bold;}
    span.guilabel {font-weight: bold;}
    span.guiicon {font-weight: bold;}