CSS Border transitions
Here are some useful mixins to help you create & customize your own buttons:
Author
A Pen By Giana PRO
Made with
HTML CSS(SCSS) JS
Animated CSS Gradient Border
Author
A Pen By Mike Schultz PRO
Made with
HTML , CSS(POSTCSS)

Hand Drawn Border Effects
Author
Tiffany Rayside February 11, 2015
Made with
HTML / CSS

“comic style” border
Author
A Pen By michael picker
Made with
HTML / CSS
border-animation-css
Author
A Pen By Swarup Kumar Kuila
Made with
HTML / CSS
How do I get a custom colored underline that will span multiple lines?
Author
A Pen By Will King
Made with
HTML CSS(SCSS) JS(BABEL)
Fancy border button
Author
A Pen By Tobias Reich
Made with
HTML CSS(SCSS) JS(BABEL)
Fancy Slider
Author
A Pen By Nikolay Talanov PRO
Made with
HTML CSS JS
Sass button border hover effect
Author
A Pen By Giana PRO
Made with
HTML CSS JS
Button bubble effect
Author
A Pen By Adrien Grsmto
Made with
HTML CSS (SCSS) JS