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+# Adding A Custom Theme
+
+1. Open the Settings Dialog
+2. Navigate to the System Tab
+3. In the "Additional Styles" box add these lines of code:
+
+```css
+.memo-list-container {background-color: #INSERT COLOR HERE;}
+.page-container {background-color: #INSERT COLOR HERE;}
+```
+
+  It is recommended that you choose the same color for both options
+
+4. Refresh the page and the background color of your memos app will successfully update to reflect your changes