body{
    display: flex;
    justify-content: center;
    height: 100vh;
    align-items: center;
    flex-direction: column;
}
div{
    margin-bottom: 10px;
}
button{
    margin-bottom: 5px;
    cursor: pointer;
}
#generated-captcha{
    text-decoration: line-through;
    font-weight: bold;
    font-size: 20px;
    text-align: center;
    background-color: red;
    color: white;
}