Move custom css to its own inline style generation method and combine with customizer CSS by glendaviesnz · Pull Request #47396 · WordPress/gutenberg · GitHub
Solved: Help with Form Formatting - Custom CSS on Landing ... - Marketing Nation
Basic CSS: Margins in CSS
CSS margin-top Property
HTML outputted before the <!DOCTYPE> declaration produces invalid AMP page · Issue #4321 · ampproject/amp-wp · GitHub
Removing site title left big blank space : r/Wordpress