palantir/blueprint

Popovers have a line between the box and the arrow

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#1,059 opened on May 2, 2017

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 (5 comments) (1 reaction) (0 assignees)TypeScript (20,263 stars) (2,167 forks)batch import
P3Package: coreStatus: in discussionType: bughelp wanted

Description

Bug report

  • Package version(s): 1.16.0
  • Browser and OS versions: Internet Explorer 11 (11.873.10586.0), Windows 10

Steps to reproduce

In Internet Explorer, open the Blueprint docs for the popover (http://blueprintjs.com/docs/#core/components/popover) and click the "Popover target" button.

Actual behavior

There is a line between the main box of the popover and the attached arrow:

Expected behavior

There is no such line, as seen in Chrome:

Contributor guide

Tech stack
typescriptreactcss
Domain
frontend
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
CSScross browser testingread Blueprint popover component code
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
80
Research direction
The bug is a visual line between the popover box and arrow in Internet Explorer. Review the popover arrow CSS in Blueprint (likely in src/components/popover/popover.scss or similar). Look for the use of border or box shadow that might render incorrectly in IE. Check the issue comments for any suggested fixes. The fix may involve adjusting the arrow's CSS or adding an IE specific hack. Test changes in IE11 to ensure the line disappears.
Popovers have a line between the box and the arrow · palantir/blueprint#1059 | Good First Issue