[Bug 1818770] Re: Unexpected graybar on top of openstack-dashboard login page

[Seyeong Kim]

** Attachment added: "screenshot-horizon.png"
   https://bugs.launchpad.net/ubuntu/+source/horizon/+bug/1818770/+attachment/5243832/+files/screenshot-horizon.png

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Title:
  Unexpected graybar on top of openstack-dashboard login page

Status in horizon package in Ubuntu:
  New

Bug description:
  [Impact]
  On openstack-dashboard login page(the first pace we face), there is unexpected graybar on top of the page.

  I've been analyzing this page and found below code affects to this
  symptom.

  body.md-default-theme, body, html.md-default-theme, html {
      color: rgba(0,0,0,0.87);
      background-color: rgb(250,250,250);
  }

  If I remove above background-color, It is ok.

  I also found that upstream doesn't have the same symptom.

  It seems that xstatic override css setting when generating it.

  [Test]
  1. deploy rocky
  2. check openstack-dashboard login page

  [Regression Potential]

  [Others]

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