diff --git a/README.md b/README.md
index 485196b..4e8fe5c 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,11 @@ as offered by jQuery and Laravel Collections.
 composer req aimeos/map
 ```
 
+Supported PHP versions:
+
+* PHP 7.1+
+* PHP 8+
+
 **Table of contents**
 
 * [Why PHP Map](#why-php-map)
diff --git a/assets/css/style.scss b/assets/css/style.scss
index 5a7c357..09b8782 100644
--- a/assets/css/style.scss
+++ b/assets/css/style.scss
@@ -19,6 +19,10 @@ header.page-header {
 	background-image: linear-gradient(120deg, #16629c, #2091c5);
 }
 
+header h1 {
+	overflow: hidden;
+}
+
 header h1>a {
 	color: #fff;
 }