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

[Karl Williams]

Removing the background colour will remove the grey strip and give the
page a white background.

The entire page background is meant to be that light grey colour but the
fix to make that work would require a bit more styling. I think that the
above proposed fix would work and perhaps we can look at more involved
styling when we next have a refresh of the theme.

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https://bugs.launchpad.net/bugs/1818770

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.

  Please see the screenshots attached below.

  And this is happening from UCA pike.

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

  [Regression Potential]

  [Others]

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