body{
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f7f7f7;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* popup */
.popup{
    background: white;
    padding: 25px;
    max-width: 330px;
    width: 90%;
    text-align: center;
    border-radius: 12px;
    box-shadow: 0 0 20px rgba(0,0,0,0.15);
    font-size: 18px;
}

.continue-button{
    background: #d6007f;
    color: white;
    padding: 12px 22px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    font-weight: bold;
    margin-top: 15px;
    transition: 0.25s;
}