fix(GlHeatMap): Update broken styles
What does this MR do?
A small MVC for: #829 (closed)
In the heatmap we are providing a lot of custom styles which don't match the designs. This merge is a first round of a handful of merge requests designed to fix this.
Screenshots
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Does this MR meet the acceptance criteria?
Conformity
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Code review guidelines. -
GitLab UI's contributing guidlines. -
If it changes a Pajamas-compliant component's look & feel, the MR has been reviewed by a UX designer. -
If it changes GitLab UI's documentation guidelines, the MR has been reviewed by a Technical Writer. -
If the MR changes a component's API, integration MR(s) have been opened in the following projects to ensure that the @gitlab/uipackage can be upgraded quickly after the changes are released:-
GitLab: mr_url -
Customers Portal: mr_url -
Status Page: mr_url
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Added the ~"component:*"label(s) if applicable.