add opacity slider, remove buttons, purge
add opacity slider, and style minify
gEBId for slider and napkin-wrapper elements
added section comments
style for #opacity-control, plus purge and clean
.editor-section padding from 10px to 7px, fix overflow
Merge pull request #14 from bFraley/main-dev

added opacity slider
Merge pull request #15 from bFraley/master

update gh pages from master