To suit your needs and increase productivity, you can always customize the settings in Gmail. Gmail provides a plethora of settings for customizations.
Gmail quick settings provide users with easy and real-time customizing options without the hassle of switching the settings menu.
Steps to customize your Gmail with quick settings
- Go to Gmail and click on the settings cog at the top right corner

- The quick settings tab will appear displaying different options:

- As you can notice, users can change many aspects of Gmail by this sidebar like density, Theme, and Inbox menu to name a few.