diff --git a/aliases b/aliases
index b7a5fa64..6e3617f4 100644
--- a/aliases
+++ b/aliases
@@ -225,6 +225,10 @@ alias duuid="dbus-uuidgen"
 # generate unique ids from cli, example for no special characters:
 alias manoid="nanoid --alphabet 'abcdefghijklmnopqrstuvwxyz' --size 40"
 alias nanoid="npx nanoid"
+# autoprefixes css files
+# requires installation:
+# npm install -g postcss postcss-cli autoprefixer
+alias autoprefixer="npx postcss *.css --use autoprefixer -d build/"
 # informs on dependency updates
 alias taze="npx taze"
 alias pip_upgrade="python -m pip install --upgrade pip"
diff --git a/updates.txt b/updates.txt
index fb163d86..a9e9edfa 100644
--- a/updates.txt
+++ b/updates.txt
@@ -209,3 +209,6 @@ paru xidel(1st option)
 
 Install foliate (epub book reader)
 doas pacman -S foliate
+
+Install autoprefixer for css files:
+npm install -g postcss postcss-cli autoprefixer