body {
  animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}














body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    
  
}

.site-header {
    background: linear-gradient(135deg, #4cafef, #2a82ba);
    color: white;
    text-align: center;
    padding: 20px;
}

.site-header .logo {
    max-width: 150px;
    border-radius: 90%;
}

.subjects-container, .chapters-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    padding: 20px;
}

.subject-card, .chapter-card {
    background: white;
    text-decoration: none;
    color: black;
    border-radius: 10px;
    overflow: hidden;
    width: 200px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: 0.3s;
}

.subject-card:hover, .chapter-card:hover {
    transform: scale(1.05);
}

.subject-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
}

.chapter-card {
    padding: 15px;
    font-size: 1.1em;
    background-color: #fff;
}

.mcq-container {
    padding: 20px;
}

.mcq {
    background: white;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}


.foot {
    margin-left: 90px;
}