button {
    background-color: #555; 
    color: white; 
    border: none; 
    padding: 10px 20px; 
    text-align: center; 
    text-decoration: none; 
    display: inline-block; 
    font-size: 16px; 
    border-radius: 10px; 
    cursor: pointer; 
    transition: background-color 0.3s ease; 
    margin-right: 30px;

}

button:hover {
    background-color: #333; 
}

button:focus {
    outline: none; 
}