.asp-field {
    height: 1px;
    opacity: 0.01;
    overflow: hidden;
}

#i-am-human {
    padding: 5px 10px;
    background: #999;
    transition: 0.3s ease-in;
    margin: 10px 0;
    cursor: pointer;
    border: none;
    display: block;
    text-align: center;
    font-size: 0.8rem;
}

#i-am-human.ok-go {
    background: #666;
    color: #fff;
}

#i-am-human.clicked {
    background: darkgreen;
}