Get started with WP Admin Style, framework for building WordPress plugins.
Looking to quickly add WP Admin Style to your project? A free open source CDN. Using a package manager or need to download the source files? Proced to the downloads page.
Copy-paste the stylesheet <link> into your <head> before all other stylesheets to load our CSS.
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/wp-admin-style/dist/wp-admin-style.css">
Be sure to wrap your page or page part with wp_admin_style class otherwise styling will not be applied.
More about it read here.