diff --git a/book/src/css/custom.css b/book/src/css/custom.css
index 732c308..38544d2 100644
--- a/book/src/css/custom.css
+++ b/book/src/css/custom.css
@@ -1,3 +1,3 @@
-p {
+.content p {
     text-align: justify;
 }
\ No newline at end of file