body {
    background-color: #000000;
    background-image: url('../images/4.jpg');
    height: 100vh;
    background-position: top left;
    background-repeat: no-repeat;
    background-size: cover;
}

.title_img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: 5vh;
    width: 50vw;
}

#card {
    background-color: rgba(255, 255, 255, 0.85);
}


@media only screen and (min-width: 576px) {
    .title_img {
        margin-top: 40px;
        width: 230px;
    }
}

@media only screen and (min-width: 768px) {
    .title_img {
        margin-top: 45px;
        width: 250px;
    }
}

@media only screen and (min-width: 992px) {
    .title_img {
        margin-top: 50px;
        width: 270px;
    }
}

@media only screen and (min-width: 1200px) {

}