Kasper Nilsson 786438b7a6 Re-style comment removal button on diff comments
Some modifications to the styling of paper-button within gr-button
overrode a few deliberate styling decisions made in the delete comment
button (namely, color and padding). This change moves those CSS props
inside a styling mixin so that they are properly applied, and overload
the defaults from inside gr-button.

Change-Id: Ifdfc0a3959f4131e1bb86e8b66d70db2fde79077
2017-11-09 09:18:16 -08:00
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