diff --git a/css/style.css b/css/style.css
index ac76e27..ac142ba 100755
--- a/css/style.css
+++ b/css/style.css
@@ -5,7 +5,7 @@
   src: local('Lato Hairline'), local('Lato-Hairline'), url(../font/lato.woff2) format('woff2');
 }
 
-*{padding:0;margin:0;box-sizing:border-box;-webkit-box-sizing:border-box;}
+*{padding:0;margin:0;box-sizing:border-box;-webkit-box-sizing:border-box;-webkit-user-select:none;}
 html,body{background:#3d566e;height:100%;color:#fff;padding:0;margin:0;}
 body{font:normal 1.5em/1.3 Lato, Avenir, Microsoft Yahei, Hiragino Sans GB, Microsoft Sans Serif, WenQuanYi Micro Hei, sans-serif;}