diff --git a/public/3d-modeling-analysis/index.html b/public/3d-modeling-analysis/index.html
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--- a/public/3d-modeling-analysis/index.html
+++ b/public/3d-modeling-analysis/index.html
@@ -31,12 +31,17 @@
     </style>
   </head>
   <body>
+    <a href="/">back </a>
     <h1>3-D Modeling & Analysis</h1>
     <div style="display: flex; flex-direction: column">
-      <a href="https://docs.google.com/document/d/1kKbwxCo9_9Cvo9w4RErARzjXhQXCAZ8P/edit?usp=sharing&ouid=112354049457815110133&rtpof=true&sd=true" target="_blank"
+      <a
+        href="https://docs.google.com/document/d/1kKbwxCo9_9Cvo9w4RErARzjXhQXCAZ8P/edit?usp=sharing&ouid=112354049457815110133&rtpof=true&sd=true"
+        target="_blank"
         >Syllabus</a
       >
-      <a href="https://drive.google.com/file/d/1kG4XGULB-3zqlsVvuOnuyyKrVmvPqBnR/view?usp=sharing" target="_blank"
+      <a
+        href="https://drive.google.com/file/d/1kG4XGULB-3zqlsVvuOnuyyKrVmvPqBnR/view?usp=sharing"
+        target="_blank"
         >Standards</a
       >
     </div>
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+++ b/public/introduction-to-drafting-design/index.html
@@ -31,6 +31,7 @@
     </style>
   </head>
   <body>
+    <a href="/">back </a>
     <h1>Introduction to Drafting & Design</h1>
     <div style="display: flex; flex-direction: column">
       <a href="https://docs.google.com/document/d/1m5dqMdQ1CFUWDsnbSuWmLwgluZdxQ076/edit?usp=sharing&ouid=112354049457815110133&rtpof=true&sd=true" target="_blank"
diff --git a/public/safety-docs/index.html b/public/safety-docs/index.html
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--- a/public/safety-docs/index.html
+++ b/public/safety-docs/index.html
@@ -31,6 +31,7 @@
     </style>
   </head>
   <body>
+    <a href="/">back </a>
     <h1>Safety in the lab</h1>
     <div style="display: flex; flex-direction: column">
       <a
diff --git a/public/survey-of-engineering-graphics/index.html b/public/survey-of-engineering-graphics/index.html
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+++ b/public/survey-of-engineering-graphics/index.html
@@ -31,6 +31,7 @@
     </style>
   </head>
   <body>
+    <a href="/">back </a>
     <h1>Survey of Engineering Graphics</h1>
     <div style="display: flex; flex-direction: column">
       <a href="https://docs.google.com/document/d/1AO7QDsqlXpwbF9BaIVbBjGFq_nru8RKp/edit?usp=sharing&ouid=112354049457815110133&rtpof=true&sd=true" target="_blank"
