form #mail-digi-box {
    margin: 25px 0px;
}
form #mail-digi-box .boxen {
    display: flex;
    width: 85%;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}
form #mail-digi-box .boxen label {
    padding-left: 12px;
    padding-right: 12px;
    width: 100%;
    cursor: pointer;
}
form #mail-digi-box .boxen label img:hover {
    filter: grayscale(100%);
}
form #mail-digi-box .boxen label input {
    opacity: 0;
    width: 0;
    height: 0;
}
form #mail-digi-box .boxen label input:checked ~ img {
    filter: grayscale(100%);
}
form #mail-digi-box .boxen label .icon-text {
    margin-top: 1em;
    text-align: center;
    font-weight: bold;
}

form #mail-digi-box .headlineElement {
    padding: 10px 15px;
    font-size: 25px;
    margin: 0px 0px 20px 0px;
}

@media (max-width: 1599px) {
    form #mail-digi-box .boxen {
        width: 50%;
    }
}
@media (max-width: 999px) {
    form #mail-digi-box .boxen {
        display: block;
    }
}