Update style.css

style.css

@@ -1,7 +1,44 @@
+body {
+    font-family: Arial, sans-serif;
+}
+
+#drop-area {
+    border: 2px dashed #ccc;
+    border-radius: 20px;
+    width: 400px;
+    margin: 20px auto;
+    padding: 20px;
+    text-align: center;
+    cursor: pointer;
+    background-color: #f9f9f9;
+}
+
+#drop-area p {
+    margin: 0;
+    font-size: 16px;
+    color: #333;
+}
+
+#fileElem {
+    display: none;
+}
+
+#fileList {
+    list-style: none;
+    margin-top: 20px;
+    padding-left: 0;
+}
+
+#fileList li {
+    margin: 5px 0;
+    font-size: 14px;
+    color: #333;
+}
+
 canvas {
     border: 1px solid black;
     display: block;
-    margin: 0 auto;
+    margin: 20px auto;
 }
 
 .ui-component {