i used .ui-btn-text { font-weight:bold; font-size:20px;} to change buttons font size and done . but now i need to change the header font size but i can't ? i tried to use ( .ui-title ) but not sure could you please help :( https://d2r1vs3d9006ap.cloudfront.net/s3_images/971421/appHelp_inline.png?138...