mmnx.de/css/custom.css

.container > iframe > html > body {
    margin: 0 !important;
    font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
}

.cookie-opt-in {
    width: 100%;
    position: fixed;
    height: 100px;
    background-color: rgba(248, 248, 248, 0.8); /*rgba(0, 0, 0, 0.2);*/
    bottom: 0;
}

.vertical-center {
    min-height: 100%;

    display: flex;
    align-items: center;
}

.cookie-opt-in-text {
    text-align: center;
    font-weight: 700;
    text-transform: lowercase;
}

.cookie-opt-in-text > button {
    padding: 3px 6px;
}