Font color form
Fix issue #30 (closed) locally, by setting a rule in our CSS style file. Also, fix indentation style on the file.
A upstreaming patch was made at Materiazile repository: https://github.com/Dogfalo/materialize/pull/6342
I've tested this change locally and it worked. If/when the pull request is accepted at Materiazile repo, we could revert style.css: Enforce black text in form input field
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