diff --git a/tokens/atoms/links.yml b/tokens/atoms/links.yml
index d041ce8..aa231f3 100644
--- a/tokens/atoms/links.yml
+++ b/tokens/atoms/links.yml
@@ -6,16 +6,12 @@ link:
       value: "{color.gray.700}"
   styles:
     underline:
-      transform:
-        value: "scale(1, 1)"
-      transform-hover:
-        value: "scale(0, 1)"
-      bg-color:
-        value: "{link.color.base}"
+      size:
+        value: "100% 2px"
+      size-hover:
+        value: "0 2px"
     no-underline:
-      transform:
-        value: "scale(0, 1)"
-      transform-hover:
-        value: "scale(1, 1)"
-      bg-color:
-        value: "{link.color.hover}"
+      size:
+        value: "0 2px"
+      size-hover:
+        value: "100% 2px"
diff --git a/tokens/base/effects.yml b/tokens/base/effects.yml
new file mode 100644
index 0000000..b6d0e05
--- /dev/null
+++ b/tokens/base/effects.yml
@@ -0,0 +1,6 @@
+animation:
+  speed:
+    default:
+      value: "200ms"
+    slow:
+      value: "800ms"