Can you customize Linux Mint?
Click the Linux Mint startup menu and click on System Settings. In System Settings, click on Themes. In Themes, you can edit your Window Borders, Icons, Controls, Mouse Pointer, and Desktop by clicking on the icons. You can also Add/Remove themes.
How do I customize my cinnamon desktop environment?
Changing Themes in Cinnamon
From the applications menu, open 'Theme'. From here, you can change a lot of things, including Cursor style, Icon theme, Applications theme and Desktop theme. If you do not have any themes or icon packs installed, just go to the second tab and install any preferred theme from there.