placeholder "Browse" button does not highlight or click on mouseover <img width="255" alt="Screen Shot 2020-08-18 at 9 53 53 AM" src="https://user-images.githubusercontent.com/5779125/90542307-c18ec980-e138-11ea-9bd5-29ff8df9dcab.png"> "Load" button _does_ highlight and click. <img width="255" alt="Screen Shot 2020-08-18 at 9 53 47 AM" src="https://user-images.githubusercontent.com/5779125/90542314-c3f12380-e138-11ea-85bc-078cf5abec22.png">
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"Browse" button does not highlight or click on mouseover
"Load" button does highlight and click.
