Github user r-kamath commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/415#issuecomment-155704705
>what do you think make it aware contents length of 1st line and hide (or
make it almost transparent) control only when there're text underneath, and
show as a normal on mouse hover?
Will make the paragraph ui inconsistent. how about an auto show/hide
option which can be turned on or off. we can call it "Auto hide controls"
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