update user guide font size

app.py

@@ -57,19 +57,19 @@ Code: <a href='https://github.com/orgs/serre-lab/projects/2' target='_blank'>Git
 
 USER_GUIDE = """
                 <div style='background-color: #f0f0f0; padding: 20px; border-radius: 10px;'>
-                    <h2 style='font-size: 24px;'>❗️ User Guide</h2>
-                    <p style='font-size: 18px;'>Welcome to the interactive fossil exploration tool. Here's how to get started:</p>
-                    <ul style='font-size: 18px;'>
+                    <h2 style='font-size: 22px;'>❗️ User Guide</h2>
+                    <p style='font-size: 16px;'>Welcome to the interactive fossil exploration tool. Here's how to get started:</p>
+                    <ul style='font-size: 16px;'>
                         <li><strong>Upload an Image:</strong> Drag and drop or choose from given samples to upload images of fossils.</li>
                         <li><strong>Process Image:</strong> After uploading, click the 'Process Image' button to analyze the image.</li>
                         <li><strong>Explore Results:</strong> Switch to the 'Workbench' tab to check out detailed analysis and results.</li>
                     </ul>
-                    <h3 style='font-size: 20px;'>Tips</h3>
-                    <ul style='font-size: 18px;'>
+                    <h3 style='font-size: 18px;'>Tips</h3>
+                    <ul style='font-size: 16px;'>
                         <li>Zoom into images on the workbench for finer details.</li>
                         <li>Use the examples below as references for what types of images to upload.</li>
                     </ul>
-                    <p style='font-size: 18px;'>Enjoy exploring! 🌟</p>
+                    <p style='font-size: 16px;'>Enjoy exploring! 🌟</p>
                 </div>
                 """