/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #0A0A0A;
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Colors */
:root {
    --electric-blue: #0066FF;
    --dark-bg: #0A0A0A;
    --dark-card: #1A1A1A;
    --dark-border: #2A2A2A;
    --text-gray: #CCCCCC;
}

.text-electric {
    color: var(--electric-blue);
}

/* Deadline Banner */
.deadline-banner {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    padding: 12px 0;
    position: relative;
    overflow: hidden;
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.banner-content p {
    color: white;
    font-weight: 600;
    font-size: 14px; /* reduced from 16px */
}

.banner-content i {
    color: white;
    font-size: 16px; /* reduced from 18px */
}

/* Hero Section */
.hero-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1a1a 50%, var(--dark-bg) 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
    z-index: 1;
}

.floating-elements {
    position: absolute;
    inset: 0;
    z-index: 2;
}

.float-dot {
    position: absolute;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.dot-1 {
    width: 8px;
    height: 8px;
    background: var(--electric-blue);
    top: 25%;
    left: 10%;
    animation-delay: 0s;
}

.dot-2 {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.3);
    bottom: 30%;
    right: 15%;
    animation-delay: 2s;
}

.dot-3 {
    width: 4px;
    height: 4px;
    background: var(--electric-blue);
    top: 35%;
    right: 25%;
    animation-delay: 4s;
}

.hero-content {
    text-align: center;
    z-index: 3;
    position: relative;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-size: clamp(1.8rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 2rem);
    color: var(--text-gray);
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 32px;
    border: none;
    border-radius: 12px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--electric-blue);
    color: white;
    box-shadow: 0 8px 32px rgba(0, 102, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 102, 255, 0.4);
    background: #0052cc;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid var(--electric-blue);
}

.btn-secondary:hover {
    background: var(--electric-blue);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 102, 255, 0.3);
}

/* Social Profiles */
.social-profiles {
    text-align: center;
}

.social-title {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 20px;
    font-weight: 500;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    color: var(--text-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 20px;
}

.social-link:hover {
    background: var(--electric-blue);
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3);
}

/* Course Section */
.course-section {
    padding: 100px 0;
    background: var(--dark-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: clamp(3rem, 3.5vw, 3rem);
    font-weight: 700;
    margin-bottom: 24px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.course-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 20px;
    padding: 40px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--electric-blue), #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.course-card:hover::before {
    transform: scaleX(1);
}

.course-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 102, 255, 0.5);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.course-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 32px;
    color: white;
    transition: transform 0.3s ease;
}

.course-card:hover .course-icon {
    transform: scale(1.1);
}

.blue-gradient {
    background: linear-gradient(135deg, var(--electric-blue), #0052cc);
}

.purple-gradient {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.course-card h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    color: white;
}

.course-card p {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.course-features {
    list-style: none;
}

.course-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    color: var(--text-gray);
    font-size: 16px;
}

.course-features .dot {
    width: 8px;
    height: 8px;
    background: var(--electric-blue);
    border-radius: 50%;
    flex-shrink: 0;
}

.course-tags {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--dark-card);
    border: 1px solid var(--dark-border);
    border-radius: 50px;
    padding: 12px 24px;
    color: white;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tag:hover {
    border-color: var(--electric-blue);
    transform: translateY(-2px);
}

.tag i {
    color: var(--electric-blue);
}

.certification-note {
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(0, 102, 255, 0.2);
    border-radius: 20px;
    padding: 40px;
}

.cert-icon {
    width: 80px;
    height: 80px;
    background: var(--electric-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    color: white;
}

.certification-note h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    color: white;
}

.certification-note p {
    font-size: 18px;
    color: var(--text-gray);
}

/* Partners Section */
.partners-section {
    background: var(--dark-card);
    padding: 80px 0;
    text-align: center;
}

.partners-section h2 {
    font-size: 30px;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 40px;
}

.partners-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.partner-name {
    font-size: clamp(1rem, 2vw, 2rem);
    font-weight: 100;
    transition: all 0.3s ease;
    cursor: pointer;
    color: white;
}

.partner-name:hover {
    color: var(--electric-blue);
    transform: scale(1.1);
}

.partner-name.highlight {
    color: var(--electric-blue);
}

/* Footer */
.footer {
    background: var(--dark-bg);
    border-top: 1px solid var(--dark-border);
    padding: 40px 0;
    text-align: center;
}

.footer p {
    color: var(--text-gray);
    font-size: 16px;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.fade-in-up.delay-1 {
    animation-delay: 0.2s;
}

.fade-in-up.delay-2 {
    animation-delay: 0.4s;
}

.fade-in-up.delay-3 {
    animation-delay: 0.6s;
}

.slide-up {
    animation: slideUp 0.8s ease-out forwards;
    opacity: 0;
}

.card-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.card-animate.animate {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
    
    .course-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .course-card {
        padding: 30px;
    }
    
    .partners-grid {
        gap: 30px;
    }
    
    .social-links {
        gap: 15px;
    }
    
    .course-tags {
        gap: 15px;
    }
    
    .tag {
        padding: 10px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .course-card {
        padding: 20px;
    }
    
    .certification-note {
        padding: 30px 20px;
    }
    
    .hero-content {
        padding: 0 15px;
    }
}


        /* Registration Section Styles */
        .registration-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
            position: relative;
            overflow: hidden;
        }
        
        .registration-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg width="80" height="80" viewBox="0 0 80 80" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23475569" fill-opacity="0.1"><circle cx="40" cy="40" r="2"/><circle cx="20" cy="20" r="1"/><circle cx="60" cy="60" r="1"/><circle cx="20" cy="60" r="1"/><circle cx="60" cy="20" r="1"/></g></svg>') repeat;
            opacity: 0.6;
        }
        
        .registration-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 70% 80%, rgba(147, 51, 234, 0.1) 0%, transparent 50%);
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 2;
        }
        
        .form-wrapper {
            max-width: 600px;
            margin: 0 auto;
            background: rgba(30, 41, 59, 0.95);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(71, 85, 105, 0.3);
            border-radius: 20px;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
            padding: 40px;
            position: relative;
            overflow: hidden;
            animation: slideUp 0.8s ease-out;
        }
        
        .form-wrapper::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #FACC15, #f59e0b, #FACC15);
            background-size: 200% 100%;
            animation: shimmer 2s infinite;
        }
        
        .form-header {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .form-title {
            font-size: 2rem;
            font-weight: 600;
            color: #f1f5f9;
            margin-bottom: 10px;
            position: relative;
        }
        
        .form-title::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #3b82f6, #8b5cf6);
            border-radius: 2px;
        }
        
        .form-subtitle {
            color: #cbd5e1;
            font-size: 1rem;
            margin-bottom: 20px;
        }
        
        .registration-form {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        
        .form-group {
            position: relative;
        }
        
        .form-label {
            display: block;
            font-size: 0.9rem;
            font-weight: 500;
            color: #e2e8f0;
            margin-bottom: 8px;
            transition: color 0.3s ease;
        }
        
        .form-input,
        .form-select {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid rgba(71, 85, 105, 0.5);
            border-radius: 12px;
            font-size: 1rem;
            font-family: 'Poppins', sans-serif;
            background: rgba(15, 23, 42, 0.8);
            color: #f1f5f9;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .form-input:focus,
        .form-select:focus {
            outline: none;
            border-color: #3b82f6;
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(59, 130, 246, 0.2);
        }
        
        .form-input::placeholder {
            color: #94a3b8;
            transition: opacity 0.3s ease;
        }
        
        .form-input:focus::placeholder {
            opacity: 0.7;
        }
        
        .form-select {
            cursor: pointer;
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
            background-position: right 15px center;
            background-repeat: no-repeat;
            background-size: 16px;
            padding-right: 50px;
            appearance: none;
        }
        
        .form-select:focus {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%233b82f6' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
        }
        
        .submit-button {
            width: 100%;
            padding: 18px 24px;
            background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
            color: #ffffff;
            border: none;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 600;
            font-family: 'Poppins', sans-serif;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .submit-button::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;
        }
        
        .submit-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(59, 130, 246, 0.4);
        }
        
        .submit-button:hover::before {
            left: 100%;
        }
        
        .submit-button:active {
            transform: translateY(-1px);
        }
        
        .form-icon {
            color: #3b82f6;
        }
        
        /* Input animations */
        .form-group {
            position: relative;
        }
        
        .form-group::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, #3b82f6, #8b5cf6);
            transition: width 0.3s ease;
        }
        
        .form-group:focus-within::after {
            width: 100%;
        }

/* Selected Members Section */
.selected-members-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    position: relative;
    overflow: hidden;
}

.selected-members-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.3;
    z-index: 1;
}

.selected-members-section .container {
    position: relative;
    z-index: 2;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
    margin-top: 60px;
    align-items: start;
}

.members-category {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 35px;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    height: fit-content;
}

.members-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
    border-color: rgba(250, 204, 21, 0.3);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.category-icon {
    width: 70px;
    height: 70px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.category-icon:hover {
    transform: scale(1.05);
}

.blue-gradient {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.purple-gradient {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.category-info {
    flex: 1;
}

.category-info h3 {
    color: white;
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 8px 0;
    font-family: 'Poppins', sans-serif;
    letter-spacing: -0.5px;
}

.member-count {
    color: #facc15;
    font-size: 1rem;
    font-weight: 600;
    background: rgba(250, 204, 21, 0.1);
    padding: 6px 12px;
    border-radius: 20px;
    display: inline-block;
    border: 1px solid rgba(250, 204, 21, 0.2);
}

.members-list {
    display: grid;
    gap: 12px;
    max-height: 420px;
    overflow-y: auto;
    padding-right: 12px;
    scrollbar-width: thin;
    scrollbar-color: #facc15 rgba(255, 255, 255, 0.1);
}

.members-list::-webkit-scrollbar {
    width: 8px;
}

.members-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
}

.members-list::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #facc15, #f59e0b);
    border-radius: 6px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.members-list::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #f59e0b, #facc15);
}

.member-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 16px 18px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.member-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 3px;
    background: linear-gradient(180deg, #facc15, #f59e0b);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.member-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(8px);
    border-color: rgba(250, 204, 21, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.member-item:hover::before {
    transform: scaleY(1);
}

.member-number {
    background: linear-gradient(135deg, #facc15, #f59e0b);
    color: #0f172a;
    font-weight: 700;
    padding: 8px 14px;
    border-radius: 10px;
    font-size: 0.9rem;
    min-width: 70px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(250, 204, 21, 0.3);
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
}

.member-item:hover .member-number {
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(250, 204, 21, 0.4);
}

.member-name {
    color: white;
    font-weight: 500;
    flex: 1;
    font-size: 1.05rem;
    font-family: 'Poppins', sans-serif;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.member-item:hover .member-name {
    color: #facc15;
}

.qualification-note {
    text-align: center;
    margin-top: 60px;
    padding: 40px 30px;
    background: rgba(250, 204, 21, 0.08);
    border-radius: 24px;
    border: 2px solid rgba(250, 204, 21, 0.2);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.qualification-note:hover {
    border-color: rgba(250, 204, 21, 0.4);
    background: rgba(250, 204, 21, 0.12);
}

.qual-icon {
    background: linear-gradient(135deg, #facc15, #f59e0b);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 32px;
    color: #0f172a;
    box-shadow: 0 12px 30px rgba(250, 204, 21, 0.3);
    transition: transform 0.3s ease;
}

.qual-icon:hover {
    transform: scale(1.1) rotate(5deg);
}

.qualification-note h3 {
    color: white;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 15px;
    font-family: 'Poppins', sans-serif;
    letter-spacing: -0.5px;
}

.qualification-note p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.15rem;
    line-height: 1.7;
    font-family: 'Poppins', sans-serif;
    max-width: 600px;
    margin: 0 auto;
}