Remove the shadow below TabLayout on android

I’m trying to remove the shadow below tabs while using TabLayout, which is defined in a normal layout (and not as a part of a toolbar or actionbar). Setting theme as

Styling the actionbar in android

i’am following the documentation on [developers.android][1] site to customize my action bar. the problem is that the action bar doesn’t accept the style i made. this is the file 14/style (i’am testing …