This demo page has been used from http://jasonm23.github.io/markdown-css-themes/.
Any of the following color values can be used as the value of color in the front matter of the blog post. grey orange
You’ll find this post in your _posts directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different ways, but the most common way is to run jekyll serve, which launches a web server and auto-regenerates your site when a file is updated.