diff --git a/_includes/header.html b/_includes/header.html
index 7ac7c45..fcebb96 100644
--- a/_includes/header.html
+++ b/_includes/header.html
@@ -7,10 +7,10 @@
\ No newline at end of file
diff --git a/_sass/helpers.scss b/_sass/helpers.scss
index 98ea987..fffcc6c 100644
--- a/_sass/helpers.scss
+++ b/_sass/helpers.scss
@@ -25,4 +25,13 @@ p {
body.wide {
max-width: 60rem !important;
+}
+
+.no-select {
+ -webkit-touch-callout: none; /* iOS Safari */
+ -webkit-user-select: none; /* Safari */
+ -khtml-user-select: none; /* Konqueror HTML */
+ -moz-user-select: none; /* Firefox */
+ -ms-user-select: none; /* Internet Explorer/Edge */
+ user-select: none; /* Non-prefixed version, currently supported by Chrome and Opera */
}
\ No newline at end of file