4 files changed, 13 insertions, 7 deletions
diff --git a/coverage/htmlfiles/coverage_html.js b/coverage/htmlfiles/coverage_html.js
index f6f5de20..7fc2963c 100644
--- a/coverage/htmlfiles/coverage_html.js
+++ b/coverage/htmlfiles/coverage_html.js
@@ -1,5 +1,5 @@
 // Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
-// For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt
+// For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
 
 // Coverage.py HTML report browser code.
 /*jslint browser: true, sloppy: true, vars: true, plusplus: true, maxerr: 50, indent: 4 */
@@ -555,11 +555,16 @@ coverage.resize_scroll_markers = function () {
 
     var previous_line = -99,
         last_mark,
-        last_top;
+        last_top,
+        offsets = {};
 
+    // Calculate line offsets outside loop to prevent relayouts
+    c.missed_lines.each(function() {
+        offsets[this.id] = $(this).offset().top;
+    });
     c.missed_lines.each(function () {
-        var line_top = Math.round($(this).offset().top * marker_scale),
-            id_name = $(this).attr('id'),
+        var id_name = $(this).attr('id'),
+            line_top = Math.round(offsets[id_name] * marker_scale),
             line_number = parseInt(id_name.substring(1, id_name.length));
 
         if (line_number === previous_line + 1) {
diff --git a/coverage/htmlfiles/index.html b/coverage/htmlfiles/index.html
index 1e3999f9..4129bc31 100644
--- a/coverage/htmlfiles/index.html
+++ b/coverage/htmlfiles/index.html
@@ -1,5 +1,5 @@
 {# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 #}
-{# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt #}
+{# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt #}
 
 <!DOCTYPE html>
 <html>
diff --git a/coverage/htmlfiles/pyfile.html b/coverage/htmlfiles/pyfile.html
index 8542a467..245ecf41 100644
--- a/coverage/htmlfiles/pyfile.html
+++ b/coverage/htmlfiles/pyfile.html
@@ -1,5 +1,5 @@
 {# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 #}
-{# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt #}
+{# For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt #}
 
 <!DOCTYPE html>
 <html>
diff --git a/coverage/htmlfiles/style.css b/coverage/htmlfiles/style.css
index 86b82091..14592865 100644
--- a/coverage/htmlfiles/style.css
+++ b/coverage/htmlfiles/style.css
@@ -1,5 +1,5 @@
 /* Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 */
-/* For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt */
+/* For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt */
 
 /* CSS styles for coverage.py. */
 
@@ -365,6 +365,7 @@ td.text {
     height: 100%;
     background: white;
     border-left: 1px solid #eee;
+    will-change: transform; /* for faster scrolling of fixed element in Chrome */
     }
 
 #scroll_marker .marker {