body {
            font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif, Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #3d63e0, #a777e3);
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            padding: 20px;
            color: #333;
        }
        
        .container {
            background-color: rgba(255, 255, 255, 0.9);
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(12, 0, 175, 0.582);
            padding: 30px;
            text-align: center;
            max-width: 500px;
            width: 100%;
        }
        
        h1 {
            color: #2c3e50;
            margin-bottom: 25px;
            font-size: 24px;
        }
        
        .number-display {
            font-size: 80px;
            font-weight: bold;
            color: #3967ff;
            margin: 25px 0;
            height: 100px;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: all 0.3s ease;
        }
        
         .generate-btn {
            background: #537bff;
            border: none;
            border-radius: 50px;
            text-align: justify;
            align-items: center;
            box-shadow: 0 5px 15px rgba(106, 142, 251, 0.2);
            font-size: 20px;
            font-weight: bold;
            cursor: pointer;
            color:#333;
         }
        
        .footer {
            margin-top: 25px;
            font-size: 14px;
            color: #7f8c8d;
        }
        
        @media (max-width: 480px) {
            h1 {
                font-size: 20px;
            }
            
            .number-display {
                font-size: 60px;
            }
            
            .generate-btn {
                padding: 12px 30px;
                font-size: 16px;
            }
        }