/* ============================================
   COURS EMPIRE - Main Stylesheet
   Production-Ready Educational Platform
   ============================================ */

:root {
  /* Color System - Sophisticated Editorial Palette */
  --ce-primary: #1a1a2e;
  --ce-secondary: #16213e;
  --ce-accent: #e94560;
  --ce-accent-soft: #ff6b8a;
  --ce-neutral-50: #fafafa;
  --ce-neutral-100: #f5f5f5;
  --ce-neutral-200: #e5e5e5;
  --ce-neutral-300: #d4d4d4;
  --ce-neutral-700: #404040;
  --ce-neutral-800: #262626;
  --ce-neutral-900: #171717;
  
  /* Educational Blues */
  --ce-learn-primary: #0f4c81;
  --ce-learn-secondary: #3a7ca5;
  --ce-learn-light: #dff3ff;
  
  /* Typography Scale */
  --ce-font-display: 'Inter', serif;
  --ce-font-heading: 'Poppins', sans-serif;
  --ce-font-body: 'Inter', sans-serif;
  --ce-font-mono: 'JetBrains Mono', monospace;
  
  /* Spacing System */
  --ce-space-xs: 0.5rem;
  --ce-space-sm: 1rem;
  --ce-space-md: 1.5rem;
  --ce-space-lg: 2.5rem;
  --ce-space-xl: 4rem;
  --ce-space-2xl: 6rem;
  
  /* Border Radius */
  --ce-radius-sm: 4px;
  --ce-radius-md: 8px;
  --ce-radius-lg: 16px;
  --ce-radius-xl: 24px;
  
  /* Shadows */
  --ce-shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --ce-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --ce-shadow-lg: 0 12px 24px rgba(0,0,0,0.12);
  --ce-shadow-xl: 0 20px 40px rgba(0,0,0,0.15);
  
  /* Transitions */
  --ce-transition-fast: 150ms ease-in-out;
  --ce-transition-base: 250ms ease-in-out;
  --ce-transition-slow: 400ms ease-in-out;
}

/* ============================================
   BASE STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--ce-font-body);
  line-height: 1.7;
  color: var(--ce-neutral-800);
  background-color: #ffffff;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--ce-transition-base);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

.ce-display-1 {
  font-family: var(--ce-font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ce-primary);
}

.ce-display-2 {
  font-family: var(--ce-font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ce-primary);
}

.ce-heading-1 {
  font-family: var(--ce-font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ce-neutral-900);
}

.ce-heading-2 {
  font-family: var(--ce-font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ce-neutral-900);
}

.ce-heading-3 {
  font-family: var(--ce-font-heading);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--ce-neutral-800);
}

.ce-body-large {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--ce-neutral-700);
}

.ce-body-regular {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--ce-neutral-700);
}

.ce-body-small {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ce-neutral-700);
}

.ce-text-accent {
  color: var(--ce-accent);
}

.ce-text-gradient {
  background: linear-gradient(135deg, var(--ce-accent) 0%, var(--ce-learn-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   NAVIGATION
   ============================================ */

.ce-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ce-neutral-200);
  z-index: 1000;
  transition: var(--ce-transition-base);
}

.ce-navbar-scrolled {
  box-shadow: var(--ce-shadow-md);
}

.ce-navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ce-navbar-brand {
  font-family: var(--ce-font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ce-primary);
  letter-spacing: -0.02em;
}

.ce-navbar-brand span {
  color: var(--ce-accent);
}

.ce-navbar-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.ce-navbar-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ce-neutral-700);
  position: relative;
  padding: 0.5rem 0;
}

.ce-navbar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--ce-accent);
  transition: width var(--ce-transition-base);
}

.ce-navbar-link:hover {
  color: var(--ce-accent);
}

.ce-navbar-link:hover::after {
  width: 100%;
}

.ce-navbar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--ce-primary);
  cursor: pointer;
}

/* ============================================
   BUTTONS
   ============================================ */

.ce-btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--ce-font-heading);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--ce-radius-md);
  cursor: pointer;
  transition: all var(--ce-transition-base);
  border: none;
  text-decoration: none;
}

.ce-btn-primary {
  background: linear-gradient(135deg, var(--ce-accent) 0%, var(--ce-accent-soft) 100%);
  color: #ffffff;
  box-shadow: var(--ce-shadow-md);
}

.ce-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--ce-shadow-lg);
}

.ce-btn-secondary {
  background: var(--ce-learn-primary);
  color: #ffffff;
  box-shadow: var(--ce-shadow-sm);
}

.ce-btn-secondary:hover {
  background: var(--ce-learn-secondary);
  transform: translateY(-2px);
  box-shadow: var(--ce-shadow-md);
}

.ce-btn-outline {
  background: transparent;
  color: var(--ce-accent);
  border: 2px solid var(--ce-accent);
}

.ce-btn-outline:hover {
  background: var(--ce-accent);
  color: #ffffff;
}

.ce-btn-large {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

/* ============================================
   HERO SECTIONS
   ============================================ */

.ce-hero-editorial {
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #ffffff 0%, var(--ce-neutral-50) 100%);
}

.ce-hero-editorial::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.ce-hero-editorial::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(15, 76, 129, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.ce-hero-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--ce-space-2xl) 2rem;
  position: relative;
  z-index: 1;
}

.ce-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
}

.ce-hero-text {
  animation: ce-fade-in-up 0.8s ease-out;
}

.ce-hero-subtitle {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ce-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.ce-hero-title {
  margin-bottom: 1.5rem;
}

.ce-hero-description {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--ce-neutral-700);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.ce-hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.ce-hero-visual {
  position: relative;
  animation: ce-fade-in-right 1s ease-out;
}

/* ============================================
   CARDS
   ============================================ */

.ce-card {
  background: #ffffff;
  border-radius: var(--ce-radius-lg);
  overflow: hidden;
  box-shadow: var(--ce-shadow-sm);
  transition: all var(--ce-transition-base);
  border: 1px solid var(--ce-neutral-200);
}

.ce-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--ce-shadow-lg);
}

.ce-card-image {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.ce-card-content {
  padding: var(--ce-space-lg);
}

.ce-card-tag {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: var(--ce-learn-light);
  color: var(--ce-learn-primary);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--ce-radius-sm);
  margin-bottom: 1rem;
}

.ce-card-title {
  font-family: var(--ce-font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ce-neutral-900);
  margin-bottom: 0.75rem;
}

.ce-card-description {
  color: var(--ce-neutral-700);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.ce-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  border-top: 1px solid var(--ce-neutral-200);
}

.ce-card-price {
  font-family: var(--ce-font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ce-accent);
}

/* ============================================
   SECTIONS
   ============================================ */

.ce-section {
  padding: var(--ce-space-2xl) 2rem;
  position: relative;
}

.ce-section-container {
  max-width: 1400px;
  margin: 0 auto;
}

.ce-section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--ce-space-xl);
}

.ce-section-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ce-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.ce-section-title {
  margin-bottom: 1rem;
}

.ce-section-description {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--ce-neutral-700);
}

.ce-section-alt-bg {
  background: var(--ce-neutral-50);
}

.ce-section-dark {
  background: var(--ce-primary);
  color: #ffffff;
}

.ce-section-dark .ce-heading-1,
.ce-section-dark .ce-heading-2,
.ce-section-dark .ce-heading-3 {
  color: #ffffff;
}

.ce-section-dark .ce-body-regular,
.ce-section-dark .ce-body-large {
  color: var(--ce-neutral-200);
}

/* ============================================
   GRID LAYOUTS
   ============================================ */

.ce-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.ce-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.ce-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

/* ============================================
   COURSE PAGE SPECIFIC
   ============================================ */

.ce-course-hero {
  background: linear-gradient(135deg, var(--ce-primary) 0%, var(--ce-secondary) 100%);
  color: #ffffff;
  padding: var(--ce-space-2xl) 2rem;
  position: relative;
  overflow: hidden;
}

.ce-course-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="rgba(255,255,255,0.05)"/></svg>');
  background-size: 50px 50px;
}

.ce-course-content-wrapper {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--ce-space-2xl) 2rem;
}

.ce-course-main-content {
  min-width: 0;
}

.ce-course-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.ce-course-sidebar-card {
  background: #ffffff;
  border: 2px solid var(--ce-neutral-200);
  border-radius: var(--ce-radius-lg);
  padding: var(--ce-space-lg);
  box-shadow: var(--ce-shadow-lg);
}

.ce-curriculum-section {
  background: var(--ce-neutral-50);
  padding: var(--ce-space-lg);
  border-radius: var(--ce-radius-md);
  margin-bottom: var(--ce-space-lg);
}

.ce-curriculum-module {
  background: #ffffff;
  padding: 1.25rem;
  border-radius: var(--ce-radius-md);
  margin-bottom: 1rem;
  border-left: 4px solid var(--ce-accent);
}

.ce-curriculum-module-title {
  font-weight: 600;
  color: var(--ce-neutral-900);
  margin-bottom: 0.5rem;
}

.ce-curriculum-lessons {
  list-style: none;
  padding-left: 1.5rem;
}

.ce-curriculum-lessons li {
  padding: 0.5rem 0;
  color: var(--ce-neutral-700);
  position: relative;
}

.ce-curriculum-lessons li::before {
  content: '✓';
  position: absolute;
  left: -1.5rem;
  color: var(--ce-accent);
  font-weight: 700;
}

/* ============================================
   ARTICLE PAGE SPECIFIC
   ============================================ */

.ce-article-header {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--ce-space-2xl) 2rem var(--ce-space-lg);
  text-align: center;
}

.ce-article-meta {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1.5rem;
  color: var(--ce-neutral-700);
  font-size: 0.95rem;
}

.ce-article-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ce-article-featured-image {
  max-width: 1200px;
  margin: 0 auto var(--ce-space-xl);
  border-radius: var(--ce-radius-lg);
  overflow: hidden;
  box-shadow: var(--ce-shadow-xl);
}

.ce-article-featured-image img {
  width: 100%;
  height: auto;
}

.ce-article-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 2rem var(--ce-space-2xl);
}

.ce-article-content h2 {
  font-family: var(--ce-font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--ce-neutral-900);
  margin: 2.5rem 0 1rem;
}

.ce-article-content h3 {
  font-family: var(--ce-font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ce-neutral-800);
  margin: 2rem 0 1rem;
}

.ce-article-content p {
  margin-bottom: 1.5rem;
  line-height: 1.9;
  font-size: 1.125rem;
  color: var(--ce-neutral-700);
}

.ce-article-content ul,
.ce-article-content ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
}

.ce-article-content li {
  margin-bottom: 0.75rem;
  line-height: 1.8;
  color: var(--ce-neutral-700);
}

.ce-article-content blockquote {
  margin: 2rem 0;
  padding: 1.5rem 2rem;
  background: var(--ce-neutral-50);
  border-left: 4px solid var(--ce-accent);
  font-style: italic;
  font-size: 1.125rem;
  color: var(--ce-neutral-800);
}

.ce-article-content code {
  background: var(--ce-neutral-100);
  padding: 0.25rem 0.5rem;
  border-radius: var(--ce-radius-sm);
  font-family: var(--ce-font-mono);
  font-size: 0.9em;
  color: var(--ce-accent);
}

/* ============================================
   FORMS
   ============================================ */

.ce-form-group {
  margin-bottom: 1.5rem;
}

.ce-form-label {
  display: block;
  font-weight: 600;
  color: var(--ce-neutral-900);
  margin-bottom: 0.5rem;
}

.ce-form-input,
.ce-form-textarea,
.ce-form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--ce-font-body);
  font-size: 1rem;
  border: 2px solid var(--ce-neutral-300);
  border-radius: var(--ce-radius-md);
  background: #ffffff;
  transition: var(--ce-transition-base);
}

.ce-form-input:focus,
.ce-form-textarea:focus,
.ce-form-select:focus {
  outline: none;
  border-color: var(--ce-accent);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
}

.ce-form-textarea {
  min-height: 150px;
  resize: vertical;
}

.ce-form-error {
  color: var(--ce-accent);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.ce-form-success {
  background: #d1fae5;
  color: #065f46;
  padding: 1rem;
  border-radius: var(--ce-radius-md);
  margin-bottom: 1.5rem;
}

/* ============================================
   FOOTER
   ============================================ */

.ce-footer {
  background: var(--ce-primary);
  color: #ffffff;
  padding: var(--ce-space-2xl) 2rem var(--ce-space-lg);
}

.ce-footer-container {
  max-width: 1400px;
  margin: 0 auto;
}

.ce-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: var(--ce-space-xl);
}

.ce-footer-brand {
  font-family: var(--ce-font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.ce-footer-brand span {
  color: var(--ce-accent);
}

.ce-footer-description {
  color: var(--ce-neutral-300);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.ce-footer-section-title {
  font-family: var(--ce-font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.ce-footer-links {
  list-style: none;
}

.ce-footer-links li {
  margin-bottom: 0.75rem;
}

.ce-footer-links a {
  color: var(--ce-neutral-300);
  transition: var(--ce-transition-base);
}

.ce-footer-links a:hover {
  color: var(--ce-accent-soft);
  padding-left: 0.25rem;
}

.ce-footer-bottom {
  padding-top: var(--ce-space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: var(--ce-neutral-300);
  font-size: 0.95rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes ce-fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ce-fade-in-right {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes ce-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes ce-slide-in {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

.ce-animate-fade-in {
  animation: ce-fade-in-up 0.6s ease-out;
}

/* ============================================
   UTILITIES
   ============================================ */

.ce-text-center {
  text-align: center;
}

.ce-text-left {
  text-align: left;
}

.ce-text-right {
  text-align: right;
}

.ce-mt-1 { margin-top: var(--ce-space-xs); }
.ce-mt-2 { margin-top: var(--ce-space-sm); }
.ce-mt-3 { margin-top: var(--ce-space-md); }
.ce-mt-4 { margin-top: var(--ce-space-lg); }
.ce-mt-5 { margin-top: var(--ce-space-xl); }

.ce-mb-1 { margin-bottom: var(--ce-space-xs); }
.ce-mb-2 { margin-bottom: var(--ce-space-sm); }
.ce-mb-3 { margin-bottom: var(--ce-space-md); }
.ce-mb-4 { margin-bottom: var(--ce-space-lg); }
.ce-mb-5 { margin-bottom: var(--ce-space-xl); }

.ce-py-1 { padding-top: var(--ce-space-xs); padding-bottom: var(--ce-space-xs); }
.ce-py-2 { padding-top: var(--ce-space-sm); padding-bottom: var(--ce-space-sm); }
.ce-py-3 { padding-top: var(--ce-space-md); padding-bottom: var(--ce-space-md); }
.ce-py-4 { padding-top: var(--ce-space-lg); padding-bottom: var(--ce-space-lg); }

.ce-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.ce-divider {
  height: 1px;
  background: var(--ce-neutral-200);
  margin: var(--ce-space-xl) 0;
}

.ce-badge {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: var(--ce-accent);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 50px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
  .ce-hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .ce-grid-3,
  .ce-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .ce-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .ce-course-content-wrapper {
    grid-template-columns: 1fr;
  }
  
  .ce-course-sidebar {
    position: static;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .ce-navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #ffffff;
    flex-direction: column;
    padding: 1rem;
    box-shadow: var(--ce-shadow-lg);
  }
  
  .ce-navbar-menu.active {
    display: flex;
  }
  
  .ce-navbar-toggle {
    display: block;
  }
  
  .ce-grid-2,
  .ce-grid-3,
  .ce-grid-4 {
    grid-template-columns: 1fr;
  }
  
  .ce-hero-cta-group {
    flex-direction: column;
  }
  
  .ce-hero-cta-group .ce-btn {
    width: 100%;
  }
  
  .ce-footer-grid {
    grid-template-columns: 1fr;
  }
  
  .ce-section {
    padding: var(--ce-space-xl) 1rem;
  }
}

@media (max-width: 480px) {
  .ce-navbar-container {
    padding: 1rem;
  }
  
  .ce-container {
    padding: 0 1rem;
  }
}


.navbar-brand img{
    max-width: 250px;
    width: 250px;
    object-fit: contain;
}

html{
    overflow-x: hidden;
}


footer .navbar-brand img{
    filter: brightness(0) invert(1);
}

.footer-text{
    margin-top: 20px;
}