diff --git a/src/index.less b/src/index.less
index 508cc19..3a0d426 100644
--- a/src/index.less
+++ b/src/index.less
@@ -204,14 +204,15 @@ code {
   &.only {
     min-height: calc(100vh - 276px);
   }
-  .playedu-main-title {
-    width: 100%;
-    height: 32px;
-    font-size: 16px;
-    font-weight: 500;
-    color: rgba(0, 0, 0, 0.85);
-    line-height: 32px;
-  }
+}
+
+.playedu-main-title {
+  width: 100%;
+  height: 32px;
+  font-size: 16px;
+  font-weight: 500;
+  color: rgba(0, 0, 0, 0.85);
+  line-height: 32px;
 }
 
 .tree-main-body {