update default highlight color

generator/static/js/templates/banner-name-left.js

generator/static/js/templates/banner-name-right.js

generator/static/js/templates/billboard.js

generator/static/js/templates/bottom-slogan-full-width.js

generator/static/js/templates/bottom-slogan-person.js

generator/static/js/templates/bottom-slogan.js

...or/static/js/templates/cover-static-name-and-logo-left.js

generator/static/js/templates/cover-static-name-and-logo.js

generator/static/js/templates/cover.js

generator/static/js/templates/eu-big-text-image.js

generator/static/js/templates/eu-icons-image.js

generator/static/js/templates/eu-image-slogan.js

generator/static/js/templates/event-text-bottom.js

generator/static/js/templates/event-text-right.js

generator/static/js/templates/humans-no-quotes.js

generator/static/js/templates/humans.js

generator/static/js/templates/komise-story.js

generator/static/js/templates/komise.js

generator/static/js/templates/koneckorupci-poll.js

generator/static/js/templates/left-corner-slogan.js