diff --git a/css/theme-flaredefault-dark.css b/css/theme-flaredefault-dark.css
index 52e1dce..535b6ed 100644
--- a/css/theme-flaredefault-dark.css
+++ b/css/theme-flaredefault-dark.css
@@ -25,6 +25,21 @@ body {
         box-shadow: 0px 2px 5px rgba(0,0,0,0.2);
 }
 
+.repository .diff-detail-box{
+        margin: 0;
+        box-shadow: 0px 2px 5px rgba(0,0,0,0.2);
+}
+
+#diff-file-tree{
+        box-shadow: 0px 3px 3px rgba(0,0,0,0.2);
+        background-color: var(--color-body);
+        z-index: 1000;
+        margin-right: 10px;
+}
+#diff-file-boxes{
+        margin-top: 10px;
+}
+
 .page-footer{
         box-shadow: 0px -2px 5px rgba(0,0,0,0.2);
 }
diff --git a/css/theme-flaredefault-light.css b/css/theme-flaredefault-light.css
index a0958ba..ea5af6c 100644
--- a/css/theme-flaredefault-light.css
+++ b/css/theme-flaredefault-light.css
@@ -25,6 +25,21 @@ body {
         box-shadow: 0px 2px 5px rgba(0,0,0,0.2);
 }
 
+.repository .diff-detail-box{
+        margin: 0;
+        box-shadow: 0px 2px 5px rgba(0,0,0,0.2);
+}
+
+#diff-file-tree{
+        box-shadow: 0px 3px 3px rgba(0,0,0,0.2);
+        background-color: var(--color-body);
+        z-index: 1000;
+        margin-right: 10px;
+}
+#diff-file-boxes{
+        margin-top: 10px;
+}
+
 .page-footer{
         background: linear-gradient(#EFEFEF, #DEDEDE);
         box-shadow: 0px -2px 5px rgba(0,0,0,0.2);