enhancing the background of read a shlok page

[sahithinandikula]

Related Issue

Closes: #1546

Description

I have changed the background of the shlok and buttons.

Screenshots

Checklist

• [X ] My code adheres to the established style guidelines of the project.
• [X ] I have included comments in areas that may be difficult to understand.
• [X ] My changes have not introduced any new warnings.
• [X ] I have conducted a self-review of my code.

[akshitagupta15june]

Great work!!

[sahithinandikula]

@akshitagupta15june Glad that you liked it!