#knife-skills-article-wrapper .skill-item.completed{background:#2ecc71;color:#fff;border-color:#27ae60}#knife-skills-article-wrapper .safety-checklist.checked .checkbox{background:#2ecc71;border-color:#2ecc71;position:relative}#knife-skills-article-wrapper .safety-checklist.checked .checkbox::after{content:"✓";position:absolute;color:#fff;font-weight:700;font-size:18px;top:50%;left:50%;transform:translate(-50%,-50%)}#knife-skills-article-wrapper .age-button.selected{background:#3498db;color:#fff;border-color:#2980b9}