.fe-lv2-lesson-tabs { display: flex; gap: 8px; margin: 18px 0; border-bottom: 1px solid #d9dee6; }
.fe-lv2-lesson-tabs a { display: inline-block; padding: 10px 12px; color: #142b4a; font-weight: 700; text-decoration: none; }
.fe-lv2-lesson-tabs a:focus-visible { outline: 3px solid #d96722; outline-offset: 2px; }
.fe-lv2-lesson-sources { margin-top: 32px; padding-top: 24px; border-top: 2px solid #d9dee6; }
.fe-lv2-lesson-sources li { margin-bottom: 16px; }
.fe-lv2-lesson-sources p { margin: 4px 0; }