diff --git a/public_html/media/css/core.css b/public_html/media/css/core.css
index 03de8c99..871e6c29 100644
--- a/public_html/media/css/core.css
+++ b/public_html/media/css/core.css
@@ -375,3 +375,7 @@ pre.debug {
 .spoiler:hover {
 	color: black;
 }
+
+img {
+	border: 0;
+}