diff --git a/src/css/common.css b/src/css/common.css
index ab51b32d8..255d1d18e 100644
--- a/src/css/common.css
+++ b/src/css/common.css
@@ -10,6 +10,9 @@
     font-style: normal;
     font-weight: normal;
     line-height: 1;
+    user-select: none;
+      -moz-user-select: none;
+      -webkit-user-select: none;
     vertical-align: middle;
     }
 body {
diff --git a/src/css/popup.css b/src/css/popup.css
index b647aa3d1..2e8dfefc9 100644
--- a/src/css/popup.css
+++ b/src/css/popup.css
@@ -134,7 +134,6 @@ p {
     }
 #switch {
     margin: 8px 0;
-    user-select: none;
     }
 #switch .fa {
     color: #0046ff;