The browser extension is available for Chrome, Firefox, and Edge.
There are two options for browser extension appearance: "quick save" and "mini-app."
"Quick save" allows you to quickly save bookmarks. To change appearance to the "mini-app," click the gears icon in the top right.
"Mini-app" gives you a interface for quickly accessing your bookmarks and allows you to save bookmarks as well. To change to "quick-save," click the gears button in the nav and change the appearance.