.response {
    display: none;
    opacity: 0;
    transition: opacity .3s ease-in-out;
}

.response.active {
    display: block;
    opacity: 1;
}

.response__label {
    border-bottom: 1px solid #000;
    text-transform: capitalize;
    line-height: 0.1em;
    margin: 0 0 10px;
}

.response__label span {
    background:#fff; 
    padding:0 10px;
}