diff --git a/user/ayu-highlight.css b/user/ayu-highlight.css
index 0c45c6f14..32c943222 100644
--- a/user/ayu-highlight.css
+++ b/user/ayu-highlight.css
@@ -8,7 +8,6 @@ Original by Dempfi (https://github.com/dempfi/ayu)
   overflow-x: auto;
   background: #191f26;
   color: #e6e1cf;
-  padding: 0.5em;
 }
 
 .hljs-comment,
diff --git a/user/css/chrome.css b/user/css/chrome.css
index 21c08b930..53a54c858 100644
--- a/user/css/chrome.css
+++ b/user/css/chrome.css
@@ -208,24 +208,63 @@ pre {
 pre > .buttons {
     position: absolute;
     z-index: 100;
-    right: 5px;
-    top: 5px;
+    right: 0px;
+    top: 2px;
+    margin: 0px;
+    padding: 2px 0px;
 
     color: var(--sidebar-fg);
     cursor: pointer;
+    visibility: hidden;
+    opacity: 0;
+    transition: visibility 0.1s linear, opacity 0.1s linear;
+}
+pre:hover > .buttons {
+    visibility: visible;
+    opacity: 1
 }
 pre > .buttons :hover {
     color: var(--sidebar-active);
+    border-color: var(--icons-hover);
+    background-color: var(--theme-hover);
 }
 pre > .buttons i {
     margin-left: 8px;
 }
 pre > .buttons button {
-    color: inherit;
-    background: transparent;
-    border: none;
     cursor: inherit;
+    margin: 0px 5px;
+    padding: 3px 5px;
+    font-size: 14px;
+
+    border-style: solid;
+    border-width: 1px;
+    border-radius: 4px;
+    border-color: var(--icons);
+    background-color: var(--theme-popup-bg);
+    transition: 100ms;
+    transition-property: color,border-color,background-color;
+    color: var(--icons);
 }
+@media (pointer: coarse) {
+    pre > .buttons button {
+        /* On mobile, make it easier to tap buttons. */
+        padding: 0.3rem 1rem;
+    }
+}
+code {
+    padding: 1rem;
+}
+
+/* FIXME: ACE editors overlap their buttons because ACE does absolute
+   positioning within the code block which breaks padding. The only solution I
+   can think of is to move the padding to the outer pre tag (or insert a div
+   wrapper), but that would require fixing a whole bunch of CSS rules.
+*/
+.hljs.ace_editor {
+  padding: 0rem 0rem;
+}
+
 pre > .result {
     margin-top: 10px;
 }
diff --git a/user/css/general.css b/user/css/general.css
index ef2ba5048..0e4f07a50 100644
--- a/user/css/general.css
+++ b/user/css/general.css
@@ -26,6 +26,16 @@ code {
     font-size: 0.875em; /* please adjust the ace font size accordingly in editor.js */
 }
 
+/* make long words/inline code not x overflow */
+main {
+    overflow-wrap: break-word;
+}
+
+/* make wide tables scroll if they overflow */
+.table-wrapper {
+    overflow-x: auto;
+}
+
 /* Don't change font size in headers. */
 h1 code, h2 code, h3 code, h4 code, h5 code, h6 code {
     font-size: unset;
@@ -80,8 +90,7 @@ h6:target::before {
 
 .content {
     overflow-y: auto;
-    padding: 0 15px;
-    padding-bottom: 50px;
+    padding: 0 5px 50px 5px;
 }
 .content main {
     margin-left: auto;
diff --git a/user/highlight.css b/user/highlight.css
index c23432272..ba57b82b2 100644
--- a/user/highlight.css
+++ b/user/highlight.css
@@ -61,7 +61,6 @@
   overflow-x: auto;
   background: #f6f7f6;
   color: #000;
-  padding: 0.5em;
 }
 
 .hljs-emphasis {
diff --git a/user/tomorrow-night.css b/user/tomorrow-night.css
index f71979258..5b4aca77c 100644
--- a/user/tomorrow-night.css
+++ b/user/tomorrow-night.css
@@ -81,8 +81,6 @@
   overflow-x: auto;
   background: #1d1f21;
   color: #c5c8c6;
-  padding: 0.5em;
-  -webkit-text-size-adjust: none;
 }
 
 .coffeescript .javascript,