body {
    font-family: 'Arial', sans-serif;
    background-color: #1a1a2e;  
    color: #eee; 
    margin: 0;
    padding: 0;
}

.header {
    background-color: #5c0194;  
    text-align: center;
    padding: 25px;
    color: white;
}

.header h1 {
    margin: 0;
    font-size: 36px;
}

.header p {
    font-size: 18px;
    margin-top: 10px;
}

.kurslar {
    display: flex;
    justify-content: space-around;
    margin-top: 40px;
    padding: 20px;
}

.kurs {
    background-color: #16213e;  
    border-radius: 10px;
    padding: 20px;
    width: 280px;
    box-shadow: 0px 2px 0px rgba(157, 0, 255, 0.4);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.kurs h2 {
    color: #e945ff; 
    font-size: 22px;
}

.fiyat {
    color: #ff90e8;  
    font-size: 28px;
    margin: 15px 0;
}

.kurs ul {
    list-style-type: none;
    padding: 0;
}

.kurs ul li {
    margin: 10px 0;
}

.kurs:hover {
    box-shadow: 0 0 20px rgba(233, 69, 255, 0.8); 
}

.satin-al {
    background-color: #e945ff; 
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.sag li{
    list-style-type: none;
    
}
.satin-al:hover {
    background-color: #b200cc;  
    transform: scale(1.08);
}
@keyframes rainbow {
    0% { color: #e600ff; } 
    33% { color: #b57cbe; }
    66% { color: #ca2f7f; }
    95% { color: #ff00f7; } 
     100% { color: #e600ff; } 
}
.r {
   
    animation: rainbow 6s linear infinite; 
    
    
    display: inline-block; 
}