diff --git a/blocks/private_files/styles.css b/blocks/private_files/styles.css
index c35ad8065a9..95655fe67ea 100644
--- a/blocks/private_files/styles.css
+++ b/blocks/private_files/styles.css
@@ -49,8 +49,20 @@
 
 .block_private_files [role="treeitem"]:not([aria-expanded]) {
     background-image:
-        repeating-linear-gradient(to right, rgba(0, 0, 0, .5) 0, rgba(0, 0, 0, .5) 1px, rgba(255, 255, 255, 0) 1px, rgba(255, 255, 255, 0) 2px),
-        repeating-linear-gradient(to top, rgba(0, 0, 0, 0.5) 0, rgba(0, 0, 0, 0.5) 1px, rgba(255, 255, 255, 0) 1px, rgba(255, 255, 255, 0) 2px);
+        repeating-linear-gradient(
+            to right,
+            rgba(0, 0, 0, .5) 0,
+            rgba(0, 0, 0, .5) 1px,
+            rgba(255, 255, 255, 0) 1px,
+            rgba(255, 255, 255, 0) 2px
+        ),
+        repeating-linear-gradient(
+            to top,
+            rgba(0, 0, 0, 0.5) 0,
+            rgba(0, 0, 0, 0.5) 1px,
+            rgba(255, 255, 255, 0) 1px,
+            rgba(255, 255, 255, 0) 2px
+        );
     background-repeat: no-repeat, no-repeat;
     /*rtl:remove*/
     background-position: left 10px top 50%, left 8px top 0;
@@ -65,7 +77,14 @@
 }
 
 .block_private_files [role="group"] {
-    background-image: repeating-linear-gradient(to top, rgba(0, 0, 0, 0.5) 0, rgba(0, 0, 0, 0.5) 1px, rgba(255, 255, 255, 0) 1px, rgba(255, 255, 255, 0) 2px);
+    background-image:
+        repeating-linear-gradient(
+            to top,
+            rgba(0, 0, 0, 0.5) 0,
+            rgba(0, 0, 0, 0.5) 1px,
+            rgba(255, 255, 255, 0) 1px,
+            rgba(255, 255, 255, 0) 2px
+        );
     background-repeat: no-repeat;
     background-position: left 8px top 100%;
     background-size: 1px 100%;