diff --git a/dip3.css b/dip3.css
index bac4418..b80137e 100755
--- a/dip3.css
+++ b/dip3.css
@@ -185,7 +185,7 @@ a:visited {
 .c a {
   color: inherit;
 }
-a.hl:link,a.hl:visited {
+a.hl:link, a.hl:visited {
   color: #fff;
   padding-left: 0.2em;
   text-decoration: none;
diff --git a/util/lesscss.py b/util/lesscss.py
index 1f56469..e1c8bc2 100755
--- a/util/lesscss.py
+++ b/util/lesscss.py
@@ -7,12 +7,12 @@ import sys
 # These selectors are kept regardless of whether this script thinks they are used.
 # Most of these match nodes that are dynamically inserted or manipulated by script
 # after the page has loaded, which is why a static analysis thinks they're unused.
-SELECTOR_EXCEPTIONS = ('.w', '.b', '.str', '.kwd', '.com', '.typ', '.lit', '.pun', '.tag', '.atn', '.atv', '.dec', 'pre .u', 'pre .u span', 'li ol', '.hl')
+SELECTOR_EXCEPTIONS = ('.w', '.b', '.str', '.kwd', '.com', '.typ', '.lit', '.pun', '.tag', '.atn', '.atv', '.dec', 'pre .u', 'pre .u span', 'li ol', 'a.hl:link', 'a.hl:visited', 'a.hl:hover', 'h2[id]:hover a.hl', 'h3[id]:hover a.hl')
 
 filename = sys.argv[1]
 pqd = pq(filename=filename)
 raw_data = open(filename, 'rb').read()
-if raw_data.count('<pre><code') or raw_data.count('<pre class=screen>'):
+if raw_data.count('<pre'):
     def keep(s):
         for selector in SELECTOR_EXCEPTIONS:
             if s == selector: return True