[Style] improve styles in our project

[wxharry]

Description

For most of the time, our focus is on the bugs, features, and performance. However, there are some minor style problems in the style which could be fixed while working on a related feature or serve as good first issues for those who want to participate.

Please comment below about your advice on the style in the project.

[wxharry]

We should increase the bottom margin for the last box in the settings page

Before:

After:

[stealth-bombeer]

Hello @wxharry ,May I have a look at this ?

[wxharry]

Hello @wxharry ,May I have a look at this ?

I am glad you are interested in this. Would you please wait for others to review and add their findings so that we could fix them at once? Thanks 😄

[pranavshuklaa]

Another style change can be for the perceptor icon .Currently, the icon appears a little light compared to the other icons in its row, this can be changed by darkening the nodes of the mesh represented by the SVG.
Before:

After:

I tested the solution on my local setup and the icon looks better after this change.

[Vlad116]

I'm think we also need styled setting's button in popup, now it's look default and a little bit ugly

[wxharry]

Close as mostly fixed in #790