code, kbd, pre, samp {
  font-family: monospace !important;
}

.ace_cursor {
  animation: none !important;
}

head[prefix~="medium-com:"] + body .metabar {
  position: relative !important;
}

@-moz-document domain(github.com) {
  .blob-code-inner,
  .blob-num,
  .commit-ref,
  .commit-tease-sha,
  .file-info,
  .sha,
  .sha-block {
    font-family: monospace !important;
  }

  .blob-code-inner,
  .blob-num,
  .file-info {
    font-size: 14px !important;
  }

  .comment-body code,
  .comment-body kbd,
  .comment-body pre,
  .comment-body samp {
    font-size: inherit !important;
  }
}

code, kbd, pre, samp {
  font-family: monospace !important;
}

.ace_cursor {
  animation: none !important;
}

.jsonPanelBox .panelContent .treeTable {
  font-family: monospace !important;
  font-size: 14px !important;
}
.jsonPanelBox .panelContent .treeTable .treeIcon {
  font-size: 14px !important;
}

head[prefix~="medium-com:"] + body .metabar {
  position: relative !important;
}

@-moz-document domain(github.com) {
  .blob-code-inner,
  .blob-num,
  .commit-ref,
  .commit-tease-sha,
  .file-info,
  .sha,
  .sha-block {
    font-family: monospace !important;
  }

  .blob-code-inner,
  .blob-num,
  .file-info {
    font-size: 14px !important;
  }

  .comment-body code,
  .comment-body kbd,
  .comment-body pre,
  .comment-body samp {
    font-size: inherit !important;
  }
}

Increase font size of built-in JSON renderer
firefox: Increase font size of built-in JSON renderer
