BEC- Between white and Red frame aren't look fit

hi , between the red on left hand side are left , and on right hand side are non . 

my purpose to get the red at the corner of the form to be matched. 

and i also use mobile responsive , that's why on my phone look like that . 

note that : all of my uers will use phone . So i wanna bring it to be on top. 

please help on the design of the frame. 

Hi,

Do you want to display the form centered on mobile? 

If yes, I have added the following css into your form:

If you were asking about something different, please let us know.