Found a handful of form-related issues that are pretty quick to fix, just wanted to have the green light on them before opening the PR. All screenshots are taken from https://dmaster.demo.civicrm.org (v5.8.alpha1)

Wrong layout in "Tags and Groups" accordion of "New Individual" form

The "Tag(s)" label+select group is missing a <br>

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Missing class on text fields in "Dedupe exceptions"

The input fields are missing the standard `crm-form-text class

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Wrong class on <select>s in "Submit Credit Card Contribution" modal

The elements have the wrong class: crm-form-date

Applying the correct class, crm-form-select doesn't change much, but allows Shoreditch to style the selects correctly

Textareas instead of text input in "Word Replacements" form

This one I'm not really sure is really a markup error, but it looks to me that instead of <textarea> elements, the form would benefit by using input[type="text"] fields instead (see how the checkboxes get a vertical alignment, for example)

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