added css

app.py

@@ -14,10 +14,18 @@ def detect_hotspots(image):
         return Image.fromarray(im_array[..., ::-1])
 
 
+css = """
+.gr-example img {
+    width: 300px !important;
+    height: auto !important;
+}
+"""
+
 demo = gr.Interface(fn=detect_hotspots, inputs=gr.Image(type='pil'), outputs="image", title="YOLO Object Detection",
                     examples=[['images/test_image_1.jpg'], ['images/test_image_2.jpg'],
                               ['images/test_image_3.jpg'], ['images/test_image_4.jpg']],
                     examples_per_page=4,
-                    cache_examples= False
+                    cache_examples= False,
+                    css=css
                     )  
 demo.launch()