diff --git a/css/index.css b/css/index.css
index c542c7f..d0703e0 100644
--- a/css/index.css
+++ b/css/index.css
@@ -107,6 +107,7 @@
   font-size: 14px;
   color: #333;
   cursor: pointer;
+  text-align: center;
 }
 .screen .block.school {
   width: 500px;
diff --git a/css/index.less b/css/index.less
index 357e4c3..2c3d498 100644
--- a/css/index.less
+++ b/css/index.less
@@ -121,6 +121,7 @@
                 font-size: 14px;
                 color: #333;
                 cursor: pointer;
+                text-align: center;
             }
         }