There are twelve different button styles in this particular snippet. This collection has a traditional closed button and effects like complete the border and fills the button with colour when you hover over the button etc. This cool collection of minimalistic button animation is designed by Ahmed Beheiry.
If you are having trouble with the pen, try the archived copy on GitHub
Minimalistic Button Animation Snippet
See the Pen Fancy Buttons with Amazing Hover Effects by ahmed beheiry (@ahmedbeheiry) on CodePen.0