@keyframes fade {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 100;
    }
}


html {
    background-image: url('https://mir-s3-cdn-cf.behance.net/projects/original/897af485867481.Y3JvcCwxOTYwLDE1MzMsNjc5LDM4Mw.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed;
    background-size: cover;
}

.center {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.card {
    width: 450px;
    /* height: 180px; */
    background: none;
}

.card-content {
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    background-color: rgba(0, 0, 0, 0.4);
    font-weight: bold;
    border: 1px solid #f1f1f1;
    width: 100%;
    /* height: 100%; */
    border-radius: 15px;
    text-align: left;
    vertical-align: top;
    z-index: -1;
}

.fade {
    animation: fade 1.5s ease;
}

@media screen and (max-width: 500px) {
    .card {
        width: 95vw;
    }
}