Update app.py

app.py

@@ -124,6 +124,58 @@ with gr.Blocks() as app:
 
 # Custom Advanced CSS styling
 app.css = """
+/* Your existing global and element styling here */
+
+body {
+    font-family: 'Arial', sans-serif;
+    background: url('./background.png') no-repeat center center fixed;
+    background-size: cover;
+    color: #f0f0f0;
+}
+
+.gradio-container {
+    max-width: 850px;
+    margin: 20px auto;
+    padding: 30px;
+    background: rgba(34, 34, 34, 0.85);
+    border-radius: 12px;
+    box-shadow: 0px 4px 20px rgba(0, 0, 0, 0.5);
+}
+
+/* Advanced styling for Test Categories and Available Tests checkboxes */
+.gr-checkbox-group label {
+    display: inline-flex;
+    align-items: center;
+    padding: 10px 15px;
+    margin: 5px;
+    font-size: 0.9em;
+    font-weight: bold;
+    color: #f0f0f0;
+    background-color: #333;
+    border: 1px solid #555;
+    border-radius: 8px;
+    cursor: pointer;
+    transition: all 0.3s ease;
+}
+
+.gr-checkbox-group label:hover {
+    background-color: #444;
+    border-color: #ff9800;
+    color: #ff9800;
+}
+
+.gr-checkbox-group input[type="checkbox"]:checked + label {
+    background-color: #ff9800;
+    border-color: #ff9800;
+    color: #ffffff;
+}
+
+.gr-checkbox-group input[type="checkbox"] {
+    display: none;
+}
+
+/* Continue with the rest of your CSS */
+
 /* Global styling */
 body {
     font-family: 'Arial', sans-serif;
@@ -242,5 +294,4 @@ body {
 }
 """
 
-
 app.launch()