Improve code block sizing

slides.md

@@ -213,7 +213,7 @@ background: https://images.unsplash.com/photo-1522096823084-2d1aa8411c13?q=80&w=
 # Email <mdi-email-fast-outline />
 
 ---
-layout: none
+layout: center
 ---
 
 ```python {all|18|19|10|11-16|all|18-19|all}
@@ -238,12 +238,6 @@ for user in page.subscribers.iterator():
     django_rq.enqueue(send_email_to_user, user)
 ```
 
-<style>
-.slidev-page, .slidev-code-wrapper, .slidev-code {
-  height: 100%;
-}
-</style>
-
 ---
 layout: center
 ---

style.css

@@ -1,3 +1,11 @@
+:root {
+    --slidev-code-padding: 1rem;
+
+    /* 3px larger than defaults */
+    --slidev-code-font-size: 15px;
+    --slidev-code-line-height: 21px;
+}
+
 .slidev-layout {
     background: #0c4b33
 }