Apply consistent styling and layout across the entire website

Update CSS to apply common styles to `.stats-container` and `.content-container`. Modify `home.html` to wrap existing content within the new `.content-container` class for unified styling.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 5e584ab0-c340-4432-97ef-1972582b60e9
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 1accd9e0-f0b9-4975-b8bb-8604b59c9866
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/d0a1d46d-d203-4308-bc6a-312ac7c0243b/5e584ab0-c340-4432-97ef-1972582b60e9/ugJTFnH

static/css/styles.css

@@ -454,7 +454,8 @@ hr {
     margin-bottom: 0;
 }
 
-.stats-container {
+.stats-container,
+.content-container {
     background: rgba(0, 0, 0, 0.03);
     backdrop-filter: blur(8px);
     -webkit-backdrop-filter: blur(8px);
@@ -1345,7 +1346,8 @@ span.emoji:hover::after {
         margin-top: 80px;
     }
 
-    .stats-container {
+    .stats-container,
+    .content-container {
         padding: 32px 24px;
         margin: 32px 0;
     }
@@ -1415,7 +1417,8 @@ span.emoji:hover::after {
         margin: 24px auto;
     }
 
-    .stats-container {
+    .stats-container,
+    .content-container {
         padding: 24px 16px;
         margin: 24px 0;
     }