Hello,
I’ve added http://prntscr.com/ha7dry (https://visualcomposer.io/article/paddings-margins-borders-radius/) and added this code in Custom css for page http://prntscr.com/ha7e58 and this one http://prntscr.com/ha7ekb for first text element on the page. Please check http://prntscr.com/ha7ede
and enabled fixed header in Theme Options > http://prntscr.com/ha7dip
Let us know if you need any further assistance.
Regards