Hi all,

The jenkins-test-harness uses the default HTMLUnit CSS Error handle which 
logs two  warning for every CSS error it encounters.

Does anyone actually care about these errors?  I am about to file a PR to 
silence them, but thought someone may care and may have a use for them?

For example the warnings seem to be coming from core jenkins css files:

 0.006 [id=1451] INFO o.jvnet.hudson.test.JenkinsRule#createWebServer: 
Running on http://localhost:34751/jenkins/
   0.170 [id=1464] INFO jenkins.InitReactorRunner$1#onAttained: Started 
initialization
   0.171 [id=1465] INFO jenkins.InitReactorRunner$1#onAttained: Listed all 
plugins
   0.376 [id=1465] INFO jenkins.InitReactorRunner$1#onAttained: Prepared 
all plugins
   0.388 [id=1464] INFO jenkins.InitReactorRunner$1#onAttained: Started all 
plugins
   4.407 [id=1466] INFO jenkins.InitReactorRunner$1#onAttained: Augmented 
all extensions
   4.445 [id=1465] INFO jenkins.InitReactorRunner$1#onAttained: System 
config loaded
   4.456 [id=1465] INFO jenkins.InitReactorRunner$1#onAttained: System 
config adapted
   4.456 [id=1466] INFO jenkins.InitReactorRunner$1#onAttained: Loaded all 
jobs
   4.457 [id=1466] INFO jenkins.InitReactorRunner$1#onAttained: 
Configuration for all jobs updated
   4.475 [id=1466] INFO jenkins.InitReactorRunner$1#onAttained: Completed 
initialization
   4.558 [wf-1620192393655 #1] Started
   4.558 [wf-1620192393655 #1] Running in Durability level: 
MAX_SURVIVABILITY
   4.658 [wf-1620192393655 #1] [Pipeline] Start of Pipeline
   4.658 [wf-1620192393655 #1] [policy] The following policy will be 
validated:
   4.658 [wf-1620192393655 #1]   Policy 
[f222cdd7-a217-4922-aa06-d1c52da71bb7] containing rules:
   4.658 [wf-1620192393655 #1]     [Agent Timeout] with properties ["Max 
Timeout": "120 MINUTES"]
   4.809 [wf-1620192393655 #1] [Pipeline] stage
   4.859 [wf-1620192393655 #1] [Pipeline] { (NORMAL Stage)
   4.859 [wf-1620192393655 #1] [Pipeline] timeout
   4.860 [wf-1620192393655 #1] Timeout set to expire in 1 hr 0 min
   4.860 [wf-1620192393655 #1] [Pipeline] {
   4.860 [wf-1620192393655 #1] [Pipeline] input
   4.910 [wf-1620192393655 #1] Deploy to Production?
   4.910 [wf-1620192393655 #1] Proceed or Abort
   6.024 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[11:3] Error in style rule. (Invalid token "-". Was expecting one of: 
<EOF>, <S>, <IDENT>, "}", ";", "*".)
   6.024 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[11:3] Ignoring the following declarations in this rule.
   6.029 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[397:21] Error in expression. (Invalid token " ". Was expecting one of: 
<NUMBER>, "inherit", <IDENT>, <STRING>, <HASH>, <EMS>, <REM>, <EXS>, 
<LENGTH_PX>, <LENGTH_CM>, <LENGTH_MM>, <LENGTH_IN>, <LENGTH_PT>, 
<LENGTH_PC>, <ANGLE_DEG>, <ANGLE_RAD>, <ANGLE_GRAD>, <TIME_MS>, <TIME_S>, 
<FREQ_HZ>, <FREQ_KHZ>, <RESOLUTION_DPI>, <RESOLUTION_DPCM>, <PERCENTAGE>, 
<DIMENSION>, <UNICODE_RANGE>, <URI>, <FUNCTION>, "progid:".)
   6.030 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[426:23] Error in expression. (Invalid token " ". Was expecting one of: 
<NUMBER>, "inherit", <IDENT>, <STRING>, <HASH>, <EMS>, <REM>, <EXS>, 
<LENGTH_PX>, <LENGTH_CM>, <LENGTH_MM>, <LENGTH_IN>, <LENGTH_PT>, 
<LENGTH_PC>, <ANGLE_DEG>, <ANGLE_RAD>, <ANGLE_GRAD>, <TIME_MS>, <TIME_S>, 
<FREQ_HZ>, <FREQ_KHZ>, <RESOLUTION_DPI>, <RESOLUTION_DPCM>, <PERCENTAGE>, 
<DIMENSION>, <UNICODE_RANGE>, <URI>, <FUNCTION>, "progid:".)
   6.039 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1550:17] Error in class selector. (Invalid token "only". Was expecting: 
<IDENT>.)
   6.040 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1550:17] Ignoring the whole rule.
   6.040 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1569:33] Error in class selector. (Invalid token "only". Was expecting: 
<IDENT>.)
   6.040 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1569:33] Ignoring the whole rule.
   6.040 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1588:49] Error in class selector. (Invalid token "only". Was expecting: 
<IDENT>.)
   6.040 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1588:49] Ignoring the whole rule.
   6.059 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[3322:26] Error in expression. (Invalid token " ". Was expecting one of: 
<NUMBER>, "inherit", <IDENT>, <STRING>, <HASH>, <EMS>, <REM>, <EXS>, 
<LENGTH_PX>, <LENGTH_CM>, <LENGTH_MM>, <LENGTH_IN>, <LENGTH_PT>, 
<LENGTH_PC>, <ANGLE_DEG>, <ANGLE_RAD>, <ANGLE_GRAD>, <TIME_MS>, <TIME_S>, 
<FREQ_HZ>, <FREQ_KHZ>, <RESOLUTION_DPI>, <RESOLUTION_DPCM>, <PERCENTAGE>, 
<DIMENSION>, <UNICODE_RANGE>, <URI>, <FUNCTION>, "progid:".)
   6.354 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/ui-refresh-overrides.css'
 
[2:3] Error in style rule. (Invalid token "-". Was expecting one of: <EOF>, 
<S>, <IDENT>, "}", ";", "*".)
   6.354 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/ui-refresh-overrides.css'
 
[2:3] Ignoring the following declarations in this rule.
   6.419 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[11:3] Error in style rule. (Invalid token "-". Was expecting one of: 
<EOF>, <S>, <IDENT>, "}", ";", "*".)
   6.419 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[11:3] Ignoring the following declarations in this rule.
   6.424 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[397:21] Error in expression. (Invalid token " ". Was expecting one of: 
<NUMBER>, "inherit", <IDENT>, <STRING>, <HASH>, <EMS>, <REM>, <EXS>, 
<LENGTH_PX>, <LENGTH_CM>, <LENGTH_MM>, <LENGTH_IN>, <LENGTH_PT>, 
<LENGTH_PC>, <ANGLE_DEG>, <ANGLE_RAD>, <ANGLE_GRAD>, <TIME_MS>, <TIME_S>, 
<FREQ_HZ>, <FREQ_KHZ>, <RESOLUTION_DPI>, <RESOLUTION_DPCM>, <PERCENTAGE>, 
<DIMENSION>, <UNICODE_RANGE>, <URI>, <FUNCTION>, "progid:".)
   6.424 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[426:23] Error in expression. (Invalid token " ". Was expecting one of: 
<NUMBER>, "inherit", <IDENT>, <STRING>, <HASH>, <EMS>, <REM>, <EXS>, 
<LENGTH_PX>, <LENGTH_CM>, <LENGTH_MM>, <LENGTH_IN>, <LENGTH_PT>, 
<LENGTH_PC>, <ANGLE_DEG>, <ANGLE_RAD>, <ANGLE_GRAD>, <TIME_MS>, <TIME_S>, 
<FREQ_HZ>, <FREQ_KHZ>, <RESOLUTION_DPI>, <RESOLUTION_DPCM>, <PERCENTAGE>, 
<DIMENSION>, <UNICODE_RANGE>, <URI>, <FUNCTION>, "progid:".)
   6.434 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1550:17] Error in class selector. (Invalid token "only". Was expecting: 
<IDENT>.)
   6.434 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1550:17] Ignoring the whole rule.
   6.435 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1569:33] Error in class selector. (Invalid token "only". Was expecting: 
<IDENT>.)
   6.435 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1569:33] Ignoring the whole rule.
   6.435 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1588:49] Error in class selector. (Invalid token "only". Was expecting: 
<IDENT>.)
   6.435 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1588:49] Ignoring the whole rule.
   6.453 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[3322:26] Error in expression. (Invalid token " ". Was expecting one of: 
<NUMBER>, "inherit", <IDENT>, <STRING>, <HASH>, <EMS>, <REM>, <EXS>, 
<LENGTH_PX>, <LENGTH_CM>, <LENGTH_MM>, <LENGTH_IN>, <LENGTH_PT>, 
<LENGTH_PC>, <ANGLE_DEG>, <ANGLE_RAD>, <ANGLE_GRAD>, <TIME_MS>, <TIME_S>, 
<FREQ_HZ>, <FREQ_KHZ>, <RESOLUTION_DPI>, <RESOLUTION_DPCM>, <PERCENTAGE>, 
<DIMENSION>, <UNICODE_RANGE>, <URI>, <FUNCTION>, "progid:".)
   6.493 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/ui-refresh-overrides.css'
 
[2:3] Error in style rule. (Invalid token "-". Was expecting one of: <EOF>, 
<S>, <IDENT>, "}", ";", "*".)
   6.493 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/ui-refresh-overrides.css'
 
[2:3] Ignoring the following declarations in this rule.
   6.844 [wf-1620192393655 #1] [Pipeline] }
   6.844 [wf-1620192393655 #1] [Pipeline] // timeout
   6.894 [wf-1620192393655 #1] [Pipeline] }
   6.894 [wf-1620192393655 #1] [Pipeline] // stage
   6.905 [id=55] INFO o.j.p.workflow.job.WorkflowRun#finish: 
wf-1620192393655 #1 completed: ABORTED
   6.912 [wf-1620192393655 #1] [Pipeline] End of Pipeline
   6.912 [wf-1620192393655 #1] [policy] All policies were validated 
successfully.
   6.912 [wf-1620192393655 #1] Rejected
   6.912 [wf-1620192393655 #1] Finished: ABORTED
   7.014 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[11:3] Error in style rule. (Invalid token "-". Was expecting one of: 
<EOF>, <S>, <IDENT>, "}", ";", "*".)
   7.014 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[11:3] Ignoring the following declarations in this rule.
   7.018 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[397:21] Error in expression. (Invalid token " ". Was expecting one of: 
<NUMBER>, "inherit", <IDENT>, <STRING>, <HASH>, <EMS>, <REM>, <EXS>, 
<LENGTH_PX>, <LENGTH_CM>, <LENGTH_MM>, <LENGTH_IN>, <LENGTH_PT>, 
<LENGTH_PC>, <ANGLE_DEG>, <ANGLE_RAD>, <ANGLE_GRAD>, <TIME_MS>, <TIME_S>, 
<FREQ_HZ>, <FREQ_KHZ>, <RESOLUTION_DPI>, <RESOLUTION_DPCM>, <PERCENTAGE>, 
<DIMENSION>, <UNICODE_RANGE>, <URI>, <FUNCTION>, "progid:".)
   7.019 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[426:23] Error in expression. (Invalid token " ". Was expecting one of: 
<NUMBER>, "inherit", <IDENT>, <STRING>, <HASH>, <EMS>, <REM>, <EXS>, 
<LENGTH_PX>, <LENGTH_CM>, <LENGTH_MM>, <LENGTH_IN>, <LENGTH_PT>, 
<LENGTH_PC>, <ANGLE_DEG>, <ANGLE_RAD>, <ANGLE_GRAD>, <TIME_MS>, <TIME_S>, 
<FREQ_HZ>, <FREQ_KHZ>, <RESOLUTION_DPI>, <RESOLUTION_DPCM>, <PERCENTAGE>, 
<DIMENSION>, <UNICODE_RANGE>, <URI>, <FUNCTION>, "progid:".)
   7.029 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1550:17] Error in class selector. (Invalid token "only". Was expecting: 
<IDENT>.)
   7.029 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1550:17] Ignoring the whole rule.
   7.029 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1569:33] Error in class selector. (Invalid token "only". Was expecting: 
<IDENT>.)
   7.029 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1569:33] Ignoring the whole rule.
   7.030 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1588:49] Error in class selector. (Invalid token "only". Was expecting: 
<IDENT>.)
   7.030 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1588:49] Ignoring the whole rule.
   7.047 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[3322:26] Error in expression. (Invalid token " ". Was expecting one of: 
<NUMBER>, "inherit", <IDENT>, <STRING>, <HASH>, <EMS>, <REM>, <EXS>, 
<LENGTH_PX>, <LENGTH_CM>, <LENGTH_MM>, <LENGTH_IN>, <LENGTH_PT>, 
<LENGTH_PC>, <ANGLE_DEG>, <ANGLE_RAD>, <ANGLE_GRAD>, <TIME_MS>, <TIME_S>, 
<FREQ_HZ>, <FREQ_KHZ>, <RESOLUTION_DPI>, <RESOLUTION_DPCM>, <PERCENTAGE>, 
<DIMENSION>, <UNICODE_RANGE>, <URI>, <FUNCTION>, "progid:".)
   7.347 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/ui-refresh-overrides.css'
 
[2:3] Error in style rule. (Invalid token "-". Was expecting one of: <EOF>, 
<S>, <IDENT>, "}", ";", "*".)
   7.347 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/ui-refresh-overrides.css'
 
[2:3] Ignoring the following declarations in this rule.
   7.405 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[11:3] Error in style rule. (Invalid token "-". Was expecting one of: 
<EOF>, <S>, <IDENT>, "}", ";", "*".)
   7.405 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[11:3] Ignoring the following declarations in this rule.
   7.409 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[397:21] Error in expression. (Invalid token " ". Was expecting one of: 
<NUMBER>, "inherit", <IDENT>, <STRING>, <HASH>, <EMS>, <REM>, <EXS>, 
<LENGTH_PX>, <LENGTH_CM>, <LENGTH_MM>, <LENGTH_IN>, <LENGTH_PT>, 
<LENGTH_PC>, <ANGLE_DEG>, <ANGLE_RAD>, <ANGLE_GRAD>, <TIME_MS>, <TIME_S>, 
<FREQ_HZ>, <FREQ_KHZ>, <RESOLUTION_DPI>, <RESOLUTION_DPCM>, <PERCENTAGE>, 
<DIMENSION>, <UNICODE_RANGE>, <URI>, <FUNCTION>, "progid:".)
   7.410 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[426:23] Error in expression. (Invalid token " ". Was expecting one of: 
<NUMBER>, "inherit", <IDENT>, <STRING>, <HASH>, <EMS>, <REM>, <EXS>, 
<LENGTH_PX>, <LENGTH_CM>, <LENGTH_MM>, <LENGTH_IN>, <LENGTH_PT>, 
<LENGTH_PC>, <ANGLE_DEG>, <ANGLE_RAD>, <ANGLE_GRAD>, <TIME_MS>, <TIME_S>, 
<FREQ_HZ>, <FREQ_KHZ>, <RESOLUTION_DPI>, <RESOLUTION_DPCM>, <PERCENTAGE>, 
<DIMENSION>, <UNICODE_RANGE>, <URI>, <FUNCTION>, "progid:".)
   7.420 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1550:17] Error in class selector. (Invalid token "only". Was expecting: 
<IDENT>.)
   7.420 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1550:17] Ignoring the whole rule.
   7.420 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1569:33] Error in class selector. (Invalid token "only". Was expecting: 
<IDENT>.)
   7.420 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1569:33] Ignoring the whole rule.
   7.420 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1588:49] Error in class selector. (Invalid token "only". Was expecting: 
<IDENT>.)
   7.421 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[1588:49] Ignoring the whole rule.
   7.437 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/base-styles-v2.css' 
[3322:26] Error in expression. (Invalid token " ". Was expecting one of: 
<NUMBER>, "inherit", <IDENT>, <STRING>, <HASH>, <EMS>, <REM>, <EXS>, 
<LENGTH_PX>, <LENGTH_CM>, <LENGTH_MM>, <LENGTH_IN>, <LENGTH_PT>, 
<LENGTH_PC>, <ANGLE_DEG>, <ANGLE_RAD>, <ANGLE_GRAD>, <TIME_MS>, <TIME_S>, 
<FREQ_HZ>, <FREQ_KHZ>, <RESOLUTION_DPI>, <RESOLUTION_DPCM>, <PERCENTAGE>, 
<DIMENSION>, <UNICODE_RANGE>, <URI>, <FUNCTION>, "progid:".)
   7.476 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#error: CSS error: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/ui-refresh-overrides.css'
 
[2:3] Error in style rule. (Invalid token "-". Was expecting one of: <EOF>, 
<S>, <IDENT>, "}", ";", "*".)
   7.476 [id=1451] WARNING c.g.h.DefaultCssErrorHandler#warning: CSS 
warning: 
'http://localhost:34751/jenkins/static/5cda859e/jsbundles/ui-refresh-overrides.css'
 
[2:3] Ignoring the following declarations in this rule.
   7.871 [id=1451] INFO jenkins.model.Jenkins#cleanUp: Stopping Jenkins
  11.450 [id=1451] INFO jenkins.model.Jenkins#cleanUp: Jenkins stopped

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