There is an article that may make the customization easier titled Configuring the look and feel of your JIRA applications that can help you change the interface.
In regards to an easy method to change the css, you can create a Suggestion at JAC and recommend additional options to the options that are currently present. If you do that please post a link to the Suggestion so the Community can vote on it and add impact.
In the past, Portfolio for Jira required a high degree of detail–foresight that was unrealistic for many businesses to have–in order to produce a reliable long-term roadmap. We're tur...
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