.wallpaper-calc-container{padding:20px;background:#f9f9f9;border-radius:16px;max-width:600px;margin:40px auto;box-shadow:0 4px 16px rgba(0,0,0,.1);font-family:Arial,sans-serif}.inp-group{display:flex;flex-direction:column;margin-bottom:16px}.inp-group label{font-weight:700;margin-bottom:6px}.inp-vals{display:flex;gap:10px}.wp-inp{padding:10px;flex:1;border:1px solid #ccc;border-radius:6px;font-size:14px}#calculate-btn{padding:12px 24px;background:#EF4923;color:#fff;font-size:16px;border:none;border-radius:6px;cursor:pointer;transition:background 0.3s ease}#calculate-btn:hover{background:#EF4923;border:1px solid #fff}#result-message{margin-top:20px;font-size:18px;font-weight:700;text-align:center}.note-text{margin-top:30px;font-size:14px;text-align:center;color:#555}.calc-author{margin-top:20px;font-size:13px;color:#888;text-align:center}@media (max-width:600px){.inp-vals{flex-direction:column}}