Fix some css style issues

[AllForNothing]

Fix #16683

1. Fix some CSS style issues
   Signed-off-by: AllForNothing sshijun@vmware.com

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Comprehensive Summary of your change

Issue being fixed

Fixes #(issue)

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• Well Written Title and Summary of the PR
• Label the PR as needed. "release-note/ignore-for-release, release-note/new-feature, release-note/update, release-note/enhancement, release-note/community, release-note/breaking-change, release-note/docs, release-note/infra, release-note/deprecation"
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• Made sure tests are passing and test coverage is added if needed.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed in website repository.

[codecov]

Codecov Report

Merging #16709 (9aae8aa) into main (40191e0) will decrease coverage by 0.00%.
The diff coverage is 18.18%.

@@            Coverage Diff             @@
##             main   #16709      +/-   ##
==========================================
- Coverage   67.33%   67.33%   -0.01%     
==========================================
  Files         953      953              
  Lines       79045    79056      +11     
  Branches     2332     2332              
==========================================
+ Hits        53224    53230       +6     
- Misses      22243    22247       +4     
- Partials     3578     3579       +1     

Flag	Coverage Δ
unittests	67.33% <18.18%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...te-edit-endpoint/create-edit-endpoint.component.ts	37.07% <18.18%> (-1.08%)	⬇️
...es/vulnerability/vulnerability-config.component.ts	52.38% <0.00%> (-4.77%)	⬇️
src/common/rbac/system/namespace.go	44.44% <0.00%> (+11.11%)	⬆️
...g-retention-tasks/tag-retention-tasks.component.ts	85.71% <0.00%> (+25.71%)	⬆️

[wy65701436]

lgtm