Update split.js

split.js

@@ -22,7 +22,7 @@ var stack;
 function fixDragBtn() {
 
     var gradio_container = document.getElementsByClassName("gradio-container")[0];
-    var pb = gradio_container.currentStyle["padding-bottom"];
+    var pb = w3_getStyleValue(gradio_container, "padding-bottom");
     console.log(pb);