Update app.py

app.py

@@ -33,13 +33,13 @@ def predict(input_mol, style, contour_level, view_str, chains):
 
     html_output = """
     
-     <button id="copySvgBtn">Copy SVG to Clipboard</button>
-    <button id="copyPngBtn">Copy PNG to Clipboard</button>
+     <button id="copySvgBtn" style="padding:4px;border:1px solid gray;margin:3px">Copy SVG to Clipboard</button>
+    <button id="copyPngBtn" style="padding:4px;border:1px solid gray;margin:3px">Copy PNG to Clipboard</button>
 
     <!-- Buttons for Download -->
-    <button id="downloadSvgBtn">Download SVG</button>
-    <button id="downloadPngBtn">Download PNG</button>
-    <script>
+    <button id="downloadSvgBtn" style="padding:4px;border:1px solid gray;margin:3px">Download SVG</button>
+    <button id="downloadPngBtn" style="padding:4px;border:1px solid gray;margin:3px">Download PNG</button>
+    <script type="text/javascript">
     function copySvgToClipboard() {
     const svgElement = document.getElementById('svgElement');
     const svgData = new XMLSerializer().serializeToString(svgElement);