Goober Niko
Hello, i am goober niko, go watch my vidoes.     
to add my button to your website, do the following.

copy and paste this anywhere

<a href="https://gooberniko.neocities.org/" target="_blank"><img id="gooberbutton" src="https://gooberniko.neocities.org/gooberbutton1.gif" alt="" /></a>

then, copy this javascript code anywhere to make the button change colors when hovered. 

<script>
  const img = document.getElementById('myImage');

  img.addEventListener('mouseover', () => {
    img.src = 'https://gooberniko.neocities.org/gooberbutton2.gif';
  });

  img.addEventListener('mouseout', () => {
    img.src = 'https://gooberniko.neocities.org/gooberbutton1.gif';
  });
</script>


then your done :D