doc/source/_templates/layout.html

{% extends "!layout.html" %}
{% block footer %}
{{ super() }}
<style>
  @import url('https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,600,700&display=swap');
  html {
    font-family: 'Source Sans Pro', sans-serif;
  }
  .highlight {
    font-family: "Lucida Console", Monaco, monospace!important;
  }
  .wy-side-nav-search {
    background: #212b36;
  }
  .wy-side-nav-search input[type=text] {
    border-color: transparent;
    
  }
  .wy-nav-side {
    background: #212b36;
  }
  .wy-menu-vertical a:hover {
    color: #d9d9d9;
    background: rgba(255, 255, 255, 0.1);
  }
  a, a:hover {
    color: #05cb63;
  }
  body {
    color: #212b36;
  }
  .wy-nav-content-wrap {
    background: #fcfcfc!important;
  }
  .wy-side-nav-search>a:hover {
    color: #fff!important;
  }
  .highlight {
    background: #dee5ed;
  }
  .wy-menu-vertical li.on a, .wy-menu-vertical li.current>a {

  }
  .wy-menu-vertical li.toctree-l1.current>a {
    border-top: 0;
    border-bottom: 0;
  }
  .rst-content pre.literal-block, .rst-content div[class^='highlight'] {
    border-radius: 4px;
    border-color: #dee5ed!important;  
  }
</style>
{% endblock %}

{% set script_files = script_files + ["_static/mathjax_conf.js"] %}