diff --git a/TODO.org b/TODO.org
new file mode 100644
index 0000000..46cb300
--- /dev/null
+++ b/TODO.org
@@ -0,0 +1,17 @@
+* Things to do [3/14]
+** DONE If the paragraph only contains an image, text-align center
+** DONE Syntax highlighting for code blocks
+** TODO Render gnuplot
+** TODO Pretty-print the timestamps
+** TODO Support Table of Contents
+** TODO Support line numbers in code blocks
+** TODO Support references to code block lines
+** TODO Only include text up to first heading on homepage and include a "read more" link
+** DONE Make loading language-specific CSS files conditional on the presence of src blocks using those languages
+** TODO Set up tracing so I can use warning and such
+** TODO Make copying of language-specific CSS files conditional on the presence of src blocks using those languages
+** TODO Switch to an entirely lazily-evaluated output tree
+** TODO Add highlighting for languages [0/2]
+*** TODO bash
+*** TODO gnuplot
+** TODO Bug: carry over highlight starts when breaking lines
diff --git a/default_environment/stylesheet/language_python.css b/default_environment/stylesheet/language_python.css
index e620691..266d5e1 100644
--- a/default_environment/stylesheet/language_python.css
+++ b/default_environment/stylesheet/language_python.css
@@ -1,38 +1,50 @@
+/* ea912c */
+/* e95a62 */
 :root {
-  --srclg-python-srchl-keyword-color: #1a936f;
   --srclg-python-srchl-comment-color: #048a81;
-  --srclg-python-srchl-property-color: #bfbccb;
+  --srclg-python-srchl-function-builtin-color: #e95a62;
+  --srclg-python-srchl-keyword-color: #1a936f;
+  --srclg-python-srchl-property-color: inherit;
   --srclg-python-srchl-string-color: #ecc30b;
-  --srclg-python-srchl-string-special-path-color: #067bc2;
+  --srclg-python-srchl-type-color: #067bc2;
+  --srclg-python-srchl-variable-color: #ea912c;
 }
 
 @media (prefers-color-scheme: light) {
   :root {
-    --srclg-python-srchl-keyword-color: #e56c90;
     --srclg-python-srchl-comment-color: #fb757e;
-    --srclg-python-srchl-property-color: #404334;
+    --srclg-python-srchl-function-builtin-color: #16a59d;
+    --srclg-python-srchl-keyword-color: #e56c90;
+    --srclg-python-srchl-property-color: inherit;
     --srclg-python-srchl-string-color: #133cf4;
-    --srclg-python-srchl-string-special-path-color: #f9843d;
+    --srclg-python-srchl-type-color: #f9843d;
+    --srclg-python-srchl-variable-color: #156ed3;
   }
 }
 
 .main_content {
   .src_block {
     &.srclg_python {
-      .srchl_keyword {
-        color: var(--srclg-python-srchl-keyword-color);
-      }
       .srchl_comment {
         color: var(--srclg-python-srchl-comment-color);
       }
+      .srchl_function_builtin {
+        color: var(--srclg-python-srchl-function-builtin-color);
+      }
+      .srchl_keyword {
+        color: var(--srclg-python-srchl-keyword-color);
+      }
       .srchl_property {
         color: var(--srclg-python-srchl-property-color);
       }
       .srchl_string {
         color: var(--srclg-python-srchl-string-color);
       }
-      .srchl_string_special_path {
-        color: var(--srclg-python-srchl-string-special-path-color);
+      .srchl_type {
+        color: var(--srclg-python-srchl-type-color);
+      }
+      .srchl_variable {
+        color: var(--srclg-python-srchl-variable-color);
       }
     }
   }
diff --git a/default_environment/stylesheet/main.css b/default_environment/stylesheet/main.css
index 5c5ef00..46aae3f 100644
--- a/default_environment/stylesheet/main.css
+++ b/default_environment/stylesheet/main.css
@@ -161,6 +161,7 @@ body {
     font-size: 1rem;
     font-family: var(--src-font-family);
     margin: 1rem 0;
+    font-variant-ligatures: none;
 
     .src_language {
       display: inline-block;
diff --git a/src/intermediate/src_block.rs b/src/intermediate/src_block.rs
index 6238dc5..7b357ab 100644
--- a/src/intermediate/src_block.rs
+++ b/src/intermediate/src_block.rs
@@ -226,7 +226,15 @@ fn highlight_python<L>(lines: &[L]) -> Result<Vec<ISrcLine>, CustomError>
 where
     L: Borrow<str>,
 {
-    let highlight_names = ["comment"];
+    let highlight_names = [
+        "comment",
+        "function.builtin",
+        "keyword",
+        "property",
+        "string",
+        "type",
+        "variable",
+    ];
     let language = tree_sitter_python::LANGUAGE.into();
     let mut config = HighlightConfiguration::new(
         language,