diff --git a/src/css/base.css b/src/css/base.css
index 2316865c2..123d9c468 100644
--- a/src/css/base.css
+++ b/src/css/base.css
@@ -248,31 +248,20 @@ td {
 }
 
 pre {
-	--tab-size: 2;
-	--top-inset: calc(var(--lineheight) / 2);
-
-	direction: ltr;
 	text-align: left;
 	line-height: var(--leading);
 	white-space: pre;
 	word-spacing: normal;
 	word-break: normal;
 	hyphens: none;
-	tab-size: var(--tab-size);
-	background: var(--pre-background);
+	tab-size: 2;
 	color: var(--code-color);
-	border-radius: 8px;
-	padding: var(--top-inset) calc(var(--lineheight));
 	-webkit-font-smoothing: subpixel-antialiased;
 	-moz-osx-font-smoothing: none;
 	font-size: var(--f5);
 	overflow: auto;
 	position: relative;
 
-	@media screen and (max-width: 480px) {
-		padding-left: 0.25em;
-	}
-
 	& .line-highlight {
 		--cycle: 27px;
 		--color: 112 20% 50%;
diff --git a/src/css/prism-matrix.css b/src/css/prism-matrix.css
index 1bd974c07..85352ceaf 100644
--- a/src/css/prism-matrix.css
+++ b/src/css/prism-matrix.css
@@ -1,16 +1,5 @@
 /* Matrix theme in light and dark versions by Johan. */
 
-code[class*='language-'],
-pre[class*='language-'] {
-	color: hsl(112 30% 30%);
-	background-color: hsl(112 29.98% 97%);
-
-	@media (prefers-color-scheme: dark) {
-		color: hsl(112, 70%, 80%);
-		background-color: hsl(112, 1.27%, 13.33%);
-	}
-}
-
 .token {
 	--hue: 112;
 	--sat: 40%;