You can try adding style="background: rgba(0,0,0,0) or style="opacity: 0" (in case you would like to actually see something in your navbar set opacity to 0.1 or even 0.2) to your navbar. But probably the best solution would be just not to use bg-* classes with your navabr. Here is the snippet showing the last option: https://mdbootstrap.com/snippets/standard/d-wajszczuk/3303236#html-tab-view.