racket-markdown-blog/blog/static/css/code.css

.post .highlight .code span {
    font-family: Inconsolata LGC, monospaced;
}

.post .highlight .code {
    line-height: 1em;
    padding-top: 2px;
    padding-bottom: 2px;
}

.post .highlight {
    /* background-color: rgba(50, 50, 50, 0.65);  /\*monokai*\/ */
    /* border: 2px solid rgba(255, 255, 255, 0.45);  /\*monokai*\/ */
    /* background-color: rgba(250, 250, 250, 0.45);  /\*tomorrow light*\/ */
    /* border: 1px dotted rgba(100, 100, 100, 0.45);  /\*tomorrow light*\/ */
    background-color: rgba(248, 248, 248, 0.45);;  /*github style*/
    border: 1px dotted rgba(100, 100, 100, 0.45);  /*github style*/
    border-radius: 3px;
    margin-bottom: 1em;
}

.post .highlight .linenodiv pre {
    /* color: #f8f8f2;  /\*monokai*\/ */
    color: #95a5a6;  /*tomorrow light*/ /*github style*/
    font-size: 0.8em;
}

.post .highlight pre {
    font-family: Inconsolata LGC, monospaced;
    /* color: #f8f8f2;  /\*tomorrow light*\/ */
    margin: 4px;
}