Update app.py

app.py

@@ -123,9 +123,9 @@ def respond(
         yield outputs
 
 PLACEHOLDER = """
-<div style="display:flex;max-width: 600px; background-color: rgba(22, 20, 28, 0.1); border-radius: 8px; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); backdrop-filter: blur(10px);">
+<div class="message-bubble-border" style="display:flex; max-width: 600px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); backdrop-filter: blur(10px);">
     <figure style="margin: 0;">
-        <img src="https://github.com/Maximilian-Winter/llama-cpp-agent/blob/master/logo/logo_orange.png?raw=true" alt="Logo" style="width: 100%; height: 100%; border-top-left-radius: 8px; border-top-right-radius: 8px;">
+        <img src="https://github.com/Maximilian-Winter/llama-cpp-agent/blob/master/logo/logo_orange.png?raw=true" alt="Logo" style="width: 100%; height: 100%; border-radius: 8px;">
     </figure>
     <div style="padding: .5rem 1.5rem;">
         <h2 style="font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem;">llama-cpp-agent</h2>