.. "<tr style=\"position: sticky; top: 0;\"><th>mod name</th><th>author</th><th><abbr title=\"This only shows whether a mod is *compatible*; it may have bugs unrelated to SMAPI compatibility.\">compatibility</abbr></th><th>broke in</th><th>source</th><th> </th></tr>";
+
.. "<tr><th style=\"position: sticky; top: 0;\">mod name</th><th style=\"position: sticky; top: 0;\">author</th><th style=\"position: sticky; top: 0;\"><abbr title=\"This only shows whether a mod is *compatible*; it may have bugs unrelated to SMAPI compatibility.\" style=\"position: sticky; top: 0;\">compatibility</abbr></th><th style=\"position: sticky; top: 0;\">broke in</th><th style=\"position: sticky; top: 0; z-index: 100;\">source</th><th style=\"position: sticky; top: 0;\"> </th></tr>";