Recent search history button alignment is off in Safari

Recent search history button alignment is off in Safari.

As reported by @mikegreiling, https://gitlab.slack.com/archives/C0GQHHPGW/p1491602605886362

safari on left, chrome on right

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Recent search history introduced in https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10324

added Next Patch Release label

mentioned in commit ba5de4d2

mentioned in merge request !10606 (merged)

mentioned in issue #30799 (closed)

mentioned in commit ee2c7248

mentioned in commit 9ebc19bb

mentioned in commit 4c5e8510

mentioned in commit ae5c16f7

closed via merge request !10606 (merged)

mentioned in commit c9fb9572

mentioned in merge request !14785