<https://w3schools.invisionzone.com/topic/10828-signatures/page/3/#comment-126367>
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"I like the advice about experimenting small. If I'm trying out a new technique, I'll usually create a file(s) just for that technique. Then when I've mastered it, I'll work it into the project. It's called the scientific method. Change one thing at a time. "
<https://w3schools.invisionzone.com/topic/10828-signatures/page/3/>