diff --git a/_layouts/default.html b/_layouts/default.html
index 7a87b4a..e58df50 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -14,6 +14,35 @@
             }
         };
     </script>
+    <style>
+        .language-shell.highlighter-rouge {
+            /* Your style properties here */
+            background-color: #f0f0f0; /* Example background color */
+            color: #333; /* Example text color */
+            padding: 10px; /* Example padding */
+            border: 1px solid #ccc; /* Example border */
+            /* Add other styling properties as needed */
+        }
+        .language-python {
+            /* New styles for Python code */
+            background-color: #f7f7f7; /* Light grey background */
+            color: #202020; /* Dark grey text color */
+            padding: 10px; /* Padding around the code block */
+            border-left: 5px solid #3572A5; /* Python-themed highlight line */
+            font-family: 'Courier New', monospace; /* Monospaced font for code */
+            /* Add other styling properties as needed */
+        }
+        .language-matlab {
+            /* New styles for MATLAB code */
+            background-color: #FFFFCC; /* Light yellow background */
+            color: #0052cc; /* MATLAB blue text color */
+            padding: 10px; /* Padding around the code block */
+            border-left: 5px solid #0072BD; /* MATLAB-themed highlight line */
+            font-family: 'Courier New', monospace; /* Monospaced font for code */
+            /* Add other styling properties as needed */
+        }        
+    </style>
+    
 </head>
 
 <body>
