.choice-btn.selected{background:#e74c3c;border-color:#e74c3c}.progress-bar-container{background:rgba(255,255,255,.3);height:30px;border-radius:15px;overflow:hidden;margin:15px 0}.progress-bar{background:#fff;height:100%;width:0%;transition:width .5s ease;display:flex;align-items:center;justify-content:center;color:#f5576c;font-weight:700}.age-btn.active{background:#fff;color:#11998e}