* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Arial', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .container {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 30px;
            max-width: 1200px;
            width: 100%;
        }

        .rectangle {
            width: 300px;
            height: 200px;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2), 
                        0 5px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }

        .rectangle::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
            transition: left 0.5s ease;
        }

        .rectangle:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25), 
                        0 10px 25px rgba(0, 0, 0, 0.15);
        }

        .rectangle:hover::before {
            left: 100%;
        }

        .rectangle-content {
            text-align: center;
            z-index: 1;
        }

        .rectangle h3 {
            color: #333;
            font-size: 1.5rem;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .rectangle p {
            color: #666;
            font-size: 1rem;
            line-height: 1.4;
        }

        .rectangle:nth-child(1) {
            background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
        }

        .rectangle:nth-child(2) {
            background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
        }

        .rectangle:nth-child(3) {
            background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .container {
                flex-direction: column;
                gap: 15px;
            }
            
            .rectangle {
                width: 280px;
                height: 180px;
            }
            
            .rectangle h3 {
                font-size: 1.3rem;
            }
            
            .rectangle p {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 480px) {
            .rectangle {
                width: 250px;
                height: 160px;
            }
            
            .rectangle h3 {
                font-size: 1.2rem;
            }
            
            .rectangle p {
                font-size: 0.8rem;
            }
        }