Change Default Page for Password Entry

I have a page on my site that is password protected. When navigating, it takes you to a page to enter a password. On my site the password page doesn’t show the site header properly and the password information is pushed to the top (behind the site header), so the user is not able to enter the password in the form.

Is there a way to change the default page in beaver themer for the user password entry page?

Here is the link to the page:

Main site (for reference):