diff --git a/phpBB/styles/prosilver/theme/content.css b/phpBB/styles/prosilver/theme/content.css
index 592269a0b3..0f1ea9fc0f 100644
--- a/phpBB/styles/prosilver/theme/content.css
+++ b/phpBB/styles/prosilver/theme/content.css
@@ -689,7 +689,6 @@ dl.thumbnail dt a:hover img {
 }
 
 .c-file-audio-source {
-
 	/** placeholder */
 }
 
@@ -698,7 +697,6 @@ dl.thumbnail dt a:hover img {
 }
 
 .c-file-video-source {
-
 	/** placeholder */
 }