.track-navigation{width:var(--course-rail-width);margin-inline:var(--rail-left) auto;background:#fdfcfa;border-bottom:1px solid var(--course-soft-rule)}.track-navigation-inner{display:flex;gap:28px;padding-inline:var(--course-rail-padding);overflow-x:auto}.track-navigation a{flex-shrink:0;padding:15px 2px 14px;border-bottom:2px solid transparent;color:var(--landing-text-muted);font-size:16px;line-height:24px;text-decoration:none;transition:color .15s,border-color .15s}.track-navigation a:hover{color:var(--landing-text);border-bottom-color:var(--course-soft-rule)}.track-navigation a[aria-current=page]{color:var(--course-detail-accent);border-bottom-color:var(--course-detail-accent);font-weight:600}.track-navigation a:focus-visible{outline:2px solid var(--course-detail-accent);outline-offset:-4px;border-radius:3px}@media(max-width:600px){.track-navigation-inner{gap:24px}.track-navigation a{font-size:15px}}