.buy-btn {
    display: inline-block;
    background-color: #007bff;        
    margin: 50px;
    width: 250px;
    padding: 10px 20px;        
    border-radius: 5px;      
    text-align: center;
    text-decoration: none;
    color: white;
}

.buy-btn:hover {
    background-color: #0056b3;
}