[BUG] color of theme changer button are not related to their behavior

[lokesh932338]

the theme changer radio buttons are intended to change the background color of container element but their displayed color and the color they change are different.

Screenshot:🔴mandatory

Conditions check:

• i have read the contribution guideline

• i am sure, this issue is not raised before.

• i will try to do fix the bug properly.

[lokesh932338]

please assign me this issue after confirming the issue

[Shariar-Hasan]

great finding.
it is a bug.
ok i am assigning this to you,

you must star the repository,
make the changes and make a PR.
get sync with the repository before making PR,
else you will get a conflict