diff --git a/assets/css/code-copy-button.css b/assets/css/code-copy-button.css
index de8fb87..226e244 100644
--- a/assets/css/code-copy-button.css
+++ b/assets/css/code-copy-button.css
@@ -1,9 +1,5 @@
 /* adapted from https://aaronluna.dev/blog/add-copy-button-to-code-blocks-hugo-chroma/ */
 
-.highlight-wrapper {
-  display: block;
-}
-
 .highlight {
   position: relative;
   z-index: 0;
@@ -12,16 +8,6 @@
   border-radius: 4px;
 }
 
-.highlight > .chroma {
-  position: static;
-  z-index: 1;
-  border-top-left-radius: 0px;
-  border-top-right-radius: 0px;
-  border-bottom-left-radius: 4px;
-  border-bottom-right-radius: 4px;
-  padding: 10px;
-}
-
 .copy-code-button {
   position: absolute;
   z-index: 2;