jarv.is/assets/sass/components/_syntax.scss

// all code
code {
  font-size: 0.925em;
  letter-spacing: 0;
  page-break-inside: avoid; // stylelint-disable-line plugin/no-unsupported-browser-features
}

// inline code in paragraphs/elsewhere (single backticks)
:not(pre) > code {
  padding: 0.075em 0.325em;
  margin: 0 0.1em;
  border: 1px solid;
}

// allow for inline code in post/page titles -- override above styles and match title
.title code {
  font-size: 1em;
  background: none !important;
  border: 0 !important;
  margin: 0 0.075em !important;
  padding: 0 !important;
  color: inherit !important;
}
h1.title code {
  font-weight: 600;
}

// code fences
div.highlight {
  line-height: 1.6;
  max-width: 100%;
  overflow-x: scroll;
  margin: 1em 0;
  border: 1px solid;

  pre {
    padding-left: 1.5em;
    margin: 1em 0;
  }

  // code fences without syntax highlighting
  > pre > code {
    padding-right: 1.5em;
  }
}

// global table styles for line numbers and font styles
.chroma {
  .lntable {
    border-spacing: 0;
    padding: 0;
    margin: 0;
    border: 0;
    width: auto;
    overflow: auto;
    display: block;
  }
  // columns
  .lntd {
    vertical-align: top;
    padding: 0;
    margin: 0;
    border: 0;

    // add right padding to second column (the code) when fence overflows
    &:nth-of-type(2) {
      padding-right: 1em;
    }
  }
  // line numbers
  .ln,
  .lnt {
    user-select: none;
  }
  .gh,
  .gi,
  .gu {
    font-weight: bold;
  }
  .kd,
  //.nb,
  //.nl,
  //.nv,
  .vc,
  .vg,
  .vi,
  .ge {
    font-style: italic;
  }
  .gl {
    text-decoration: underline;
  }
}

/*! Syntax Highlighting (light) - modified from Monokai Light: https://github.com/mlgill/pygments-style-monokailight */
body.light {
  div.highlight,
  :not(pre) > code {
    color: #313131;
    background-color: #fbfbfb;
    border-color: #d5d5d5;
  }

  .chroma {
    .k,
    .kc,
    .kd,
    .kp,
    .kr,
    .kt,
    .no {
      color: #029cb9;
    }
    .na,
    .nc,
    .nd,
    .ne,
    .nf,
    .nx {
      color: #70a800;
    }
    .nt,
    .o,
    .ow,
    .kn {
      color: #f92672;
    }
    .l,
    .se,
    .m,
    .mb,
    .mf,
    .mh,
    .mi,
    .il,
    .mo {
      color: #ae81ff;
    }
    .ld,
    .s,
    .sa,
    .sb,
    .sc,
    .dl,
    .sd,
    .s2,
    .sh,
    .si,
    .sx,
    .sr,
    .s1,
    .ss {
      color: #d88200;
    }
    .c,
    .ch,
    .cm,
    .c1,
    .cs,
    .cp,
    .cpf {
      color: #75715e;
    }
    .lnt {
      color: #8a8a8a;
    }
  }
}

/*! Syntax Highlighting (dark) - modified from Dracula: https://github.com/dracula/pygments */
body.dark {
  div.highlight,
  :not(pre) > code {
    color: #e4e4e4;
    background-color: #252525;
    border-color: #535353;
  }

  .chroma {
    .k,
    .kc,
    .kd,
    .kp,
    .kr,
    .kt,
    .no {
      color: #3b9dd2;
    }
    .na,
    .nc,
    .nd,
    .ne,
    .nf,
    .nx {
      color: #78df55;
    }
    .nt,
    .o,
    .ow,
    .kn {
      color: #f95757;
    }
    .l,
    .se,
    .m,
    .mb,
    .mf,
    .mh,
    .mi,
    .il,
    .mo {
      color: #d588fb;
    }
    .ld,
    .s,
    .sa,
    .sb,
    .sc,
    .dl,
    .sd,
    .s2,
    .sh,
    .si,
    .sx,
    .sr,
    .s1,
    .ss {
      color: #fd992a;
    }
    .c,
    .ch,
    .cm,
    .c1,
    .cs,
    .cp,
    .cpf {
      color: #929292;
    }
    .lnt {
      color: #b1b1b1;
    }
  }
}