diff --git a/script.js b/script.js
index 0985096..6d2b33e 100644
--- a/script.js
+++ b/script.js
@@ -540,18 +540,7 @@ $cfs.addEventListener("dragstart", (e) => {
   e.target.classList.add("dragging");
 
   const incomingCf = e.target.dataset.cf;
-  const incomingIdx = Number(e.target.dataset.position);
-  const incomingJp = getJP(incomingCf);
-
-  // Set data JSON
-  e.dataTransfer.setData(
-    "text/plain",
-    JSON.stringify({
-      incomingCf,
-      incomingIdx,
-      incomingJp,
-    })
-  );
+  e.dataTransfer.setData("text/plain", incomingCf);
 
   $cfs.querySelectorAll(`[draggable]`).forEach(($scf) => {
     if ($scf === e.target) return;
@@ -585,8 +574,7 @@ $cfs.addEventListener("drop", (e) => {
   e.stopPropagation();
   if (!e.target.classList.contains("droppable")) return;
 
-  const data = JSON.parse(e.dataTransfer.getData("text/plain"));
-  const { incomingCf, incomingIdx } = data;
+  const incomingCf = e.dataTransfer.getData("text/plain");
 
   const newType = calculateNewTypeAfterSwap(
     incomingCf,
diff --git a/style.css b/style.css
index 1d91da9..af3f315 100644
--- a/style.css
+++ b/style.css
@@ -166,16 +166,16 @@ body {
     translate: 0 0;
   }
   25% {
-    translate: -5px 0;
+    translate: -10px 0;
   }
   50% {
-    transform: 0 0;
+    translate: 0 0;
   }
   75% {
-    transform: 5px 0;
+    translate: 10px 0;
   }
   100% {
-    transform: 0 0;
+    translate: 0 0;
   }
 }
 
@@ -185,7 +185,7 @@ body {
 
 .cf.droppable {
   opacity: 0.6;
-  animation: shake 0.2s ease-in-out infinite;
+  animation: shake 1s ease-in-out infinite;
 }
 
 .cf.droppable > * {