https://codepen.io/ste-vg/pen/ppLQNW
https://tympanus.net/Development/RapidLayersAnimation/
https://www.codecademy.com/learn
https://freefrontend.com/css-background-patterns/
https://codepen.io/robin-dela/pen/KKPYoBq
https://codepen.io/z-/pen/zYxdRQy
https://codepen.io/mellis84/pen/JpVZNw
https://codepen.io/TajShireen/pen/abzmoRE
https://codepen.io/tobyj/pen/QjvEex
https://codepen.io/cobra_winfrey/pen/ZEYzMBj
https://codepen.io/Tilia/pen/abzdeZm
https://codepen.io/vmitsaras/pen/ZpXAmA
https://codepen.io/AdamDipinto/pen/qBBVbav
https://codepen.io/z-/pen/QWWOBwX
https://codepen.io/madison-mmd/pen/pozOOaP
https://medium.com/@hollybourneville/creating-border-lines-using-pseudo-elements-in-css-a460396299e8
https://tobiasahlin.com/typesource/
https://codepen.io/aaroniker/pen/zYOewEP
https://alligator.io/css/text-decoration/
https://codepen.io/pimskie/pen/jONvLJG
