body{background-color:#2b2b2b;font-family:Arial,sans-serif;display:flex;align-items:center;justify-content:center;height:100vh;margin:0;color:#fff}.calculator-container{text-align:left}.calculator-title{font-size:2rem;color:#fff;margin-bottom:20px;padding-left:15px}.calculator{width:320px;padding:20px;border-radius:10px;background-color:#333;box-shadow:0 8px 16px #0003}.display{padding:15px;margin-bottom:15px;font-size:1.8rem;text-align:right;background-color:#222;color:#00ff9d;border-radius:5px;box-shadow:inset 0 2px 4px #0003}.increment-buttons{display:flex;justify-content:space-between;margin-bottom:10px}.increment,.decrement{width:48%;padding:15px;font-size:1.2rem;color:#fff;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s}.increment{background-color:#3498db}.increment:hover{background-color:#2980b9}.decrement{background-color:#9b59b6}.decrement:hover{background-color:#8e44ad}.buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}button{padding:20px;font-size:1.2rem;color:#fff;background-color:#4a4a4a;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s}.operator{background-color:#f39c12}.operator:hover{background-color:#e67e22}.equals{background-color:#27ae60}.equals:hover{background-color:#2ecc71}.clear{background-color:#e74c3c}.clear:hover{background-color:#c0392b}.technologies-used{margin-top:20px;font-size:.9rem;color:#bbb;background-color:#222;padding:10px;border-radius:5px;box-shadow:0 4px 8px #0003;text-align:center}.technologies-used p{width:250px;margin:0 auto;padding:0;opacity:.6}