diff --git a/pandoc/templates/bss-styles.html b/pandoc/templates/bss-styles.html
index 5ef3fd4..e1d2a36 100644
--- a/pandoc/templates/bss-styles.html
+++ b/pandoc/templates/bss-styles.html
@@ -202,3 +202,37 @@ $endif$
 $if(csl-css)$
 $styles.citations.html()$
 $endif$
+
+/* STYLES ON ELEMENTS FROM OG-CSRD */
+.alert {
+    background-color: rgba(129, 22, 16, 0.05);
+    border: 3px solid #814b48;
+    padding: 0 20px;
+    margin: 15px;
+}
+
+.og-alert {
+    background-color: rgba(122, 122, 122, 0.1);
+    border: 3px solid #DDD;
+}
+
+.og-sidebar {
+    background-color: rgba(129, 22, 16, 0.05);
+    border: 1px solid #DDD;
+    border-left: 3px solid #814b48;
+    padding: 0 20px;
+    margin: 15px;
+}
+
+.og-ed {
+    background-color: rgba(122, 122, 122, 0.1);
+    border: 1px solid #DDD;
+    border-left: 3px solid #DDD;
+    padding: 0 20px;
+    margin: 15px;
+}
+
+/* BSS STYLES */
+a {
+    font-weight: bold;
+}