diff --git a/book/book.toml b/book/book.toml
index 8f7aaf2..dc78c61 100644
--- a/book/book.toml
+++ b/book/book.toml
@@ -8,4 +8,5 @@ title = "Nihil Unbound"
 
 [output.html]
 default-theme = "rust"
-no-section-label = true
\ No newline at end of file
+no-section-label = true
+additional-css = ["css/custom.css"]
\ No newline at end of file
diff --git a/book/src/css/custom.css b/book/src/css/custom.css
new file mode 100644
index 0000000..732c308
--- /dev/null
+++ b/book/src/css/custom.css
@@ -0,0 +1,3 @@
+p {
+    text-align: justify;
+}
\ No newline at end of file