diff --git a/README.md b/README.md
index 1a9309d..e09ea72 100644
--- a/README.md
+++ b/README.md
@@ -39,4 +39,6 @@ This is a collection of [Obsidian](https://obsidian.md/) templates I use or have
   - Plugins: Templater
 - [zotero.md](zotero.md)
   - Create a literature note from a Zotero item, pulling some metadata and all your PDF annotations
+  - The callouts are styled according to their highlight colour by using this CSS snippet: [litnote-colors.css](css/litnote-colors.css)
+    - Place the file in the `.obsidian/snippets` folder at the base of your vault, then enable through `Settings > Appearance > CSS snippets`.
   - Plugins: Zotero Integration
diff --git a/css/litnote-colors.css b/css/litnote-colors.css
new file mode 100644
index 0000000..cf2df0f
--- /dev/null
+++ b/css/litnote-colors.css
@@ -0,0 +1,73 @@
+/* Original Zotero Highlight Colours */
+/*
+ "#2ea8e5": "blue",
+ "#5fb236": "green",
+ "#a28ae5": "purple",
+ "#ffd400": "yellow",
+ "#ff6666": "red",
+ "#f19837": "orange",
+ "#e56eee": "magenta",
+ "#aaaaaa": "grey"
+*/
+
+/*
+  Info:
+  You may uncomment the first line with .literature-note for each colour 
+  if you want the CSS to only be a applied if a note has the
+  `cssclass: literature-note` in its frontmatter
+*/
+
+
+/* Yellow */
+/* .literature-note  */
+.callout[data-callout-metadata="yellow"] {
+  --callout-color: 255, 212, 0 !important;
+}
+
+/* Red */
+/* .literature-note  */
+.callout[data-callout-metadata="red"] {
+  --callout-color: 255, 102, 102 !important;
+}
+
+/* Orange */
+/* .literature-note  */
+.callout[data-callout-metadata="orange"] {
+  --callout-color: 241, 152, 55 !important;
+}
+
+/* Green */
+/* .literature-note  */
+.callout[data-callout-metadata="green"] {
+  --callout-color: 95, 178, 54 !important;
+}
+
+/* Blue */
+/* .literature-note  */
+.callout[data-callout-metadata="blue"] {
+  --callout-color: 46, 168, 229 !important;
+}
+
+/* Magenta */
+/* .literature-note  */
+.callout[data-callout-metadata="magenta"] {
+  --callout-color: 229, 110, 238 !important;
+}
+
+/* Pink */
+/* .literature-note  */
+.callout[data-callout-metadata="pink"] {
+  --callout-color: 229, 110, 238 !important;
+}
+
+/* Purple */
+/* .literature-note  */
+.callout[data-callout-metadata="purple"] {
+  --callout-color: 162, 138, 229 !important;
+}
+
+/* Grey */
+/* .literature-note  */
+.callout[data-callout-metadata="grey"] {
+  --callout-color: 170, 170, 170 !important;
+}