diff --git a/css/common.css b/css/common.css
index 538a1f7..1d212c0 100644
--- a/css/common.css
+++ b/css/common.css
@@ -148,7 +148,7 @@ body {
   border-radius: 50%;
   top: -5%;
   left: -5%;
-  z-index: 99;
+  z-index: 101;
   transition: left 0.3s linear, top 0.3s cubic-bezier(0.5, -0.5, 1, 1);
 }
 .my-project {
diff --git a/css/common.less b/css/common.less
index b3fd5c8..2e9e56d 100644
--- a/css/common.less
+++ b/css/common.less
@@ -168,7 +168,7 @@ body {
     border-radius: 50%;
     top: -5%;
     left: -5%;
-    z-index: 99;
+    z-index: 101;
     transition: left 0.3s linear, top 0.3s cubic-bezier(0.5, -0.5, 1, 1);
 }