diff --git a/src/generators/legacy-html/assets/style.css b/src/generators/legacy-html/assets/style.css
index bf46623f..e066c3b3 100644
--- a/src/generators/legacy-html/assets/style.css
+++ b/src/generators/legacy-html/assets/style.css
@@ -549,7 +549,6 @@ pre {
 
 pre > code {
   padding: 0;
-  float: left;
 }
 
 pre + h3 {
@@ -1029,8 +1028,7 @@ kbd {
   text-transform: uppercase;
   font-weight: 700;
   padding: 0 0.5rem;
-  margin-right: 10px;
-  margin-top: -2px;
+  margin-right: 0.2rem;
   height: 1.5rem;
   transition-property:
     background-color, border-color, color, box-shadow, filter;
@@ -1042,6 +1040,10 @@ kbd {
   background-color: var(--green2);
 }
 
+:root:not(.has-js) .copy-button {
+  display: none;
+}
+
 @supports (aspect-ratio: 1 / 1) {
   .js-flavor-toggle {
     height: 1.5em;
@@ -1124,7 +1126,13 @@ kbd {
     border-bottom: 1px solid var(--color-text-primary);
   }
 
-  .js-flavor-toggle ~ * {
+  .js-flavor-toggle + * {
+    margin-bottom: 2rem;
+    padding-bottom: 2rem;
+    border-bottom: 1px solid var(--color-text-primary);
+  }
+
+  .js-flavor-toggle ~ :not(.copy-button) {
     display: block !important;
     background-position: top right;
     background-size: 142px 20px;
@@ -1138,6 +1146,10 @@ kbd {
   .js-flavor-toggle ~ .mjs {
     background-image: url('./js-flavor-esm.svg');
   }
+
+  .copy-button {
+    display: none;
+  }
 }
 
 html.dark-mode .shiki,