style problem using with hightlight.js

[zzzzbw]

Using markdown.css and hightlight.js in dark background some style will be covered. For example,the img below is using github-markdown-css and highlight.js/styles/Darcula.css Actually,it should be The markdown.css set the background-color and cover the style of highlight

[sindresorhus]

This CSS is exactly what GitHub uses. If you want something different, like a darker syntax highlight, it's up to you to override the correct styles.