Documented the function that changes to/from night mode.
Changed sender_* to submitter_*.
Fixed night CSS -webkit-input-placeholder mistake.
Added BF.create_dom_el().
Moved "outline: 0" to a separate section.
Used BF.create_dom_el() to create the about Bible panel.

Rearranged some CSS for future contact form panel.
Added "buttons" and "onpress" to open_panel(), and documented panel functions.

NOTE: onpress does not currently do anything.
Started to make an email contact form.
Check onpress() to stop the panel from closing.
Highlight "doeth" and "doing" properly.
Documented parts of open_panel() and button_press().
Changed the "done_button" style to "doneButton".
Submit the contact form.