diff --git a/patterns/layered-card/Cover.tsx b/patterns/layered-card/Cover.tsx
index 25423dd..bfe0a11 100644
--- a/patterns/layered-card/Cover.tsx
+++ b/patterns/layered-card/Cover.tsx
@@ -13,6 +13,7 @@ const Cover: React.FC<{}> = () => {
                     justifyContent: 'center',
                     padding: '1.5rem',
                     position: 'relative',
+                    zIndex: 0,
                 }}
             >
                 <div
diff --git a/patterns/tooltip/Cover.tsx b/patterns/tooltip/Cover.tsx
index ebd46e1..20417e5 100644
--- a/patterns/tooltip/Cover.tsx
+++ b/patterns/tooltip/Cover.tsx
@@ -32,7 +32,6 @@ const Cover: React.FC<{}> = () => {
                             position: 'absolute',
                             transform: 'translate(-50%, 4px)',
                             width: 0,
-                            zIndex: 10,
                         }}
                     />
                     <div
@@ -45,7 +44,6 @@ const Cover: React.FC<{}> = () => {
                             position: 'absolute',
                             transform: 'translate(-50%, -4px)',
                             width: '80px',
-                            zIndex: 10,
                         }}
                     />
                     <Rectangle height={16} />