Active Tab Link and Panel Background Color Bootstrap Snippets Library / Tabs Examples Change the background color of the active tab link and tab panel in Bootstrap 4 to look like a file folder. Are You a Bootstrap Beginner? Bootstrap 4 Quick Start Advertise HereBootstrap 4 See the Pen Active Tab Link and Panel Background Color by Jacob Lett (@JacobLett) on CodePen. Code Snippet Preview Quick Links View Demo