body {
    background: url("../img/background.jpg") no-repeat center top;
    background-size: cover;
    background-attachment: fixed;
    height: 100%;
    position: absolute;
    width: 100%;
    margin: 0;
}

.wrapper {
    display: flex;
    justify-content: center;
    flex-direction: row;
    align-items: center;
    height: 100%;
}

@media (min-width: 1024px) {
    .wrapper img {
        width: 400px !important;
    }
}

@media (min-width: 576px) {
    .wrapper img {
        width: 100%;
    }
}