fix

book/node_modules/highlight.js/styles/tomorrow-night-blue.css

@@ -0,0 +1,69 @@
+pre code.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 1em
+}
+code.hljs {
+  padding: 3px 5px
+}
+/* Tomorrow Night Blue Theme */
+/* http://jmblog.github.com/color-themes-for-google-code-highlightjs */
+/* Original theme - https://github.com/chriskempson/tomorrow-theme */
+/* http://jmblog.github.com/color-themes-for-google-code-highlightjs */
+/* Tomorrow Comment */
+.hljs-comment,
+.hljs-quote {
+  color: #7285b7
+}
+/* Tomorrow Red */
+.hljs-variable,
+.hljs-template-variable,
+.hljs-tag,
+.hljs-name,
+.hljs-selector-id,
+.hljs-selector-class,
+.hljs-regexp,
+.hljs-deletion {
+  color: #ff9da4
+}
+/* Tomorrow Orange */
+.hljs-number,
+.hljs-built_in,
+.hljs-literal,
+.hljs-type,
+.hljs-params,
+.hljs-meta,
+.hljs-link {
+  color: #ffc58f
+}
+/* Tomorrow Yellow */
+.hljs-attribute {
+  color: #ffeead
+}
+/* Tomorrow Green */
+.hljs-string,
+.hljs-symbol,
+.hljs-bullet,
+.hljs-addition {
+  color: #d1f1a9
+}
+/* Tomorrow Blue */
+.hljs-title,
+.hljs-section {
+  color: #bbdaff
+}
+/* Tomorrow Purple */
+.hljs-keyword,
+.hljs-selector-tag {
+  color: #ebbbff
+}
+.hljs {
+  background: #002451;
+  color: white
+}
+.hljs-emphasis {
+  font-style: italic
+}
+.hljs-strong {
+  font-weight: bold
+}