diff --git a/resources/web/guide/css/common.css b/resources/web/guide/css/common.css
index a58011651d..6044865d43 100644
--- a/resources/web/guide/css/common.css
+++ b/resources/web/guide/css/common.css
@@ -4,6 +4,7 @@
 	border: 0;
 	margin: 0;		
     font-family: "system-ui", "Segoe UI", Roboto, Oxygen, Ubuntu, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-sans;
+	user-select: none;
 }
 
 html
diff --git a/resources/web/homepage/css/home.css b/resources/web/homepage/css/home.css
index 91311d2efc..265bf7abf5 100644
--- a/resources/web/homepage/css/home.css
+++ b/resources/web/homepage/css/home.css
@@ -5,6 +5,7 @@
 	margin: 0px;
     font-family: "system-ui", "Segoe UI", Roboto, Oxygen, Ubuntu, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-sans;
 	border-color: #D7D7D7;
+	user-select: none;
 }
 
 html, body {
diff --git a/resources/web/model/model.css b/resources/web/model/model.css
index 464d71c363..88756f91f6 100644
--- a/resources/web/model/model.css
+++ b/resources/web/model/model.css
@@ -4,6 +4,7 @@
 	padding: 0px;
 	border: 0px;
 	font-family: "system-ui", "Segoe UI", Roboto, Oxygen, Ubuntu, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-sans;
+	user-select: none;
 }
 
 html