About Elementary Tweaks
Elementary Tweaks is for people who like customization. It is made for elementary OS. It lets you change the theme, make modifications in Plank dock and Slingshot application launcher, customize the file manager, adjust animation settings, change shadow settings and so on.
To launch Elementary Tweaks (once it’s installed), go to System Settings and then choose Tweaks from the menu.
sudo add-apt-repository ppa:philip.scott/elementary-tweaks && sudo apt-get update
sudo apt-get install elementary-tweaks
If you have never added a PPA before, you might need to run this command first:
sudo apt-get install software-properties-common