.hero p margin-top: 12px; font-size: 1.2rem; opacity: 0.9; font-weight: 500;
.reset-btn background: #e2e8f0; color: #2d3e50; box-shadow: none; zadachi po matematika za 4 klas
.task-header background: #f8fafc; padding: 1rem 1.5rem; border-bottom: 2px dashed #cbd5e1; font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; color: #475569; display: flex; justify-content: space-between; .hero p margin-top: 12px
.check-btn background: #2c7da0; border: none; color: white; padding: 10px 20px; border-radius: 40px; font-weight: 600; cursor: pointer; transition: 0.15s; font-size: 0.9rem; .reset-btn background: #e2e8f0