diff --git a/index.css b/index.css
index 7b3eb4f..b9d15ea 100644
--- a/index.css
+++ b/index.css
@@ -14,6 +14,13 @@
   font-size: 16px;
 }
 
+@media (prefers-color-scheme: dark) {
+  :root {
+    --text-color: #fff;
+    --background-color: #000;
+  }
+}
+
 * {
   box-sizing: border-box;
 }
@@ -171,7 +178,7 @@ img, video {
   width: 100%;
   padding-bottom: calc(
     round(
-      down, 
+      up, 
       var(--line-height) - (
         var(--real-height) - round(down, var(--real-height), var(--line-height))
       ),
@@ -276,12 +283,5 @@ li {
 }
 
 body :not(.grid) {
-  /*background: rgba(255, 0, 0, 0.1);*/
-}
-
-@media (prefers-color-scheme: dark) {
-  :root {
-    --text-color: #fff;
-    --background-color: #000;
-  }
+  background: rgba(255, 0, 0, 0.1);
 }