diff --git a/assets/css/default.css b/assets/css/default.css
index ffee5790..e6e9001a 100644
--- a/assets/css/default.css
+++ b/assets/css/default.css
@@ -445,7 +445,9 @@ body.dark-theme {
   background-color: #03060b;
   background-image: linear-gradient(0deg, transparent, transparent, transparent, rgba(47,121,160,1));
   color: #f0f0f0;
+  background-attachment: fixed;
 }
+
 .dark-theme .pure-form legend {
   color: #f0f0f0;
 }
@@ -484,6 +486,7 @@ body.dark-theme {
     background-color: #03060b;
     background-image: linear-gradient(0deg, transparent, transparent, transparent, rgba(47,121,160,1));
     color: #f0f0f0;
+    background-attachment: fixed;
   }
 
   .no-theme .pure-form legend {
@@ -586,6 +589,23 @@ p,
   border-top: 1px solid #ffffff;
 }
 
+
+div.thumbnail {
+	padding: 28.125%;
+	position: relative;
+	box-sizing: border-box;
+	border: #ccc solid;
+	box-shadow: 0.25em 0.25em 0.5em rgba(0,0,0,0.8), 0 0 rgba(0,0,0,0.8);
+	border-radius: 0.3em;
+}
+
+.h-box img:not(.thumbnail), div#player {
+	border: #ccc solid;
+	box-shadow: 0.25em 0.25em 0.5em rgba(0,0,0,0.8), 0 0 rgba(0,0,0,0.8);
+	border-radius: 0.3em;
+}
+
+
 /* Center the "invidious" logo on the search page */
 #logo > h1 { text-align: center; }
 
@@ -599,6 +619,7 @@ p,
   margin: 0 2px;
 }
 
+
 div.thumbnail {
 	padding: 28.125%;
 	position: relative;