Out of the many ways, Chrome’s black & white theme is the simplest way to highlight active tab from the background tab. Creating a Custom theme is also an option.

Once this setting is enabled, you will be able to close an active tab or a foreground tab by double-clicking on the tab’s title bar in Firefox. Unfortunately, Chrome doesn’t natively support ...

By default, Chrome opens a new tab with its own page that includes a search bar and shortcuts to frequently visited sites. Customization Options Available in Chrome.

The active tab should be the one that pops." In a Safari 15 window with two tabs open, especially from the same website, Gruber said determining which tab is active is basically a guessing game.

Tab Resize sees only your active tab and those to the right of it. Thus, you'll get an empty layout if you choose a Tab Resize template when viewing the right-most tab in Chrome.