Or, if you want to test the task as part of the deployment, change to role=edxapp,
and add --tags some-custom-tag-that-you-should-add-to-the-task
Note, that header and footer background color need to be overriden using SIMPLETHEME_EXTRA_SASS variable, previously those colors were defined as SASS variables - `$header-bg` and `$footer-bg`. Since Hawthorn they are defined using bootstrap's theming mechanism.