body, html {
    height: 100%;
}

.bg-full {
/* The image used */
    background-image: url("/images/BackIMG.jpg");
    /*background-color: rgb(37, 37, 37);*/
    /*background: linear-gradient(to bottom, #373737 0%, #181818 100%);*/

    /* Full height */
    height: 100%;

    /* Center and scale the image nicely */
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

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