.button {
            display: flex;
            gap: 1rem;
            margin: 2rem;
            flex-wrap: wrap;
        }

        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            outline: none;
        }

        /* Blur Effect */
        .btn.blur-effect::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 300%;
            height: 300%;
            background: radial-gradient(circle, rgba(255,255,255,0.3), transparent);
            transform: translate(-50%, -50%);
            opacity: 0;
            transition: opacity 0.5s ease;
            pointer-events: none;
            filter: blur(10px);
        }

        .btn.blur-effect:hover::before {
            opacity: 1;
        }

        /* Button Designs */
        /* 1. Modern Gradient */
        .btn-1 {
            background: linear-gradient(45deg, #38a9a2, #2cd1f7);
            color: white;
        }

        /* 2. Glass Morphism */
        .btn-2 {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #333;
        }

        /* 3. Neon Glow */
        .btn-3 {
            background: #38a9a2;
            color: white;
            box-shadow: 0 0 10px #38a9a2, 0 0 20px #38a9a2;
        }

        /* 4. 3D Button */
        .btn-4 {
            background: #2cd1f7;
            color: white;
            box-shadow: 0 5px 0 #1fa3c2;
            transform: translateY(0);
            transition: transform 0.1s, box-shadow 0.1s;
        }

        .btn-4:active {
            transform: translateY(5px);
            box-shadow: 0 0 0 #1fa3c2;
        }

        /* 5. Hover Expand */
        .btn-5 {
            background: #38a9a2;
            color: white;
            transition: all 0.3s ease;
        }

        .btn-5:hover {
            transform: scale(1.1);
        }

        /* 6. Border Animation */
        .btn-6 {
            background: transparent;
            color: #38a9a2;
            border: 2px solid #38a9a2;
            position: relative;
            overflow: hidden;
        }

        .btn-6::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: #38a9a2;
            transition: left 0.3s ease;
            z-index: -1;
        }

        .btn-6:hover::before {
            left: 0;
        }

        .btn-6:hover {
            color: white;
        }

        /* 7. Icon Button */
        .btn-7 {
            background: #2cd1f7;
            color: white;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 8. Shadow Grow */
        .btn-8 {
            background: #38a9a2;
            color: white;
            box-shadow: 0 0 0 rgba(56, 169, 162, 0.5);
            transition: box-shadow 0.3s ease;
        }

        .btn-8:hover {
            box-shadow: 0 0 20px rgba(56, 169, 162, 0.5);
        }

        /* 9. Gradient Border */
        .btn-9 {
            background: white;
            color: #38a9a2;
            border: 2px solid transparent;
            background-clip: padding-box;
            position: relative;
        }

        .btn-9::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, #38a9a2, #2cd1f7);
            z-index: -1;
            border-radius: 8px;
        }

        /* 10. Pulse Effect */
        .btn-10 {
            background: #38a9a2;
            color: white;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }