How do I remove the menu animation (opacity)? wordpress, CSS3, JS

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Javascript

menu

animation

CSS3

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I'm trying to remove the animation from the menu, the site navigation, from this site: Yeah | Calle Holck[^]. I CAN NOT find it or make it work, and it is frustrating. I need the menu to be static, show up immediately and not "pop up" word by word. It's ok if the entire menu pops up at once, if that would be easier than to remove the entire animation.

HELP.

What I have tried:

Of course searched here and googled a lot. At first I changed things in the style.css, for example all transitions to none. And all the transform opacity from 0 to 1. An example of code here:

-webkit-transition:none !important;
  -moz-transition:none !important;
  -o-transition:none !important;
  transition:none !important;

@-webkit-keyframes buffer1 {
	0% {
		-webkit-transform: scale(0);
	}

	50% {
		-webkit-transform: scale(1);
	}
}

I also tried to change it in the functions.js and functions.php and header.php and so on. But I can't make it work. HELP.