/* Sticky table header on issues list */
.Box-header#js-issues-toolbar, /* https://github.com/:username-or-org/:repo/issues */
.Box#js-issues-toolbar > .Box-header /* https://github.com/issues */
{
	position: sticky;
	top: 0;
	z-index: 25; /* Must be above .modal-backdrop (z-index 20) #1317 */
}