Added some styling to the app

Author: Halimatou-saddiyaa

fetch/style.css

@@ -0,0 +1,41 @@
+body {
+      font-family: Arial, sans-serif;
+      background-color: #f0f2f5;
+      display: flex;
+      flex-direction: column;
+      align-items: center;
+      justify-content: center;
+      min-height: 100vh;
+      margin: 0;
+      padding: 20px;
+    }
+
+    h1 {
+      color: #333;
+    }
+
+    #image-container {
+      margin-top: 20px;
+      display: flex;
+      flex-wrap: wrap;
+      gap: 20px;
+      justify-content: center;
+    }
+
+    #image-container img {
+      max-width: 300px;
+      border-radius: 12px;
+      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
+      transition: transform 0.2s, box-shadow 0.2s;
+    }
+
+    #image-container img:hover {
+      transform: scale(1.05);
+      box-shadow: 0 8px 20px rgba(0,0,0,0.3);
+    }
+
+    .error {
+      color: red;
+      font-weight: bold;
+      margin-top: 20px;
+    }