.hero {
    position: relative;
    overflow:hidden;
    text-align:center;
    background-color:#111115;
}

.hero img {
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;

    /*mask-image: radial-gradient(ellipse, black 70%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse, black 70%, transparent 100%);
    */
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index:1;
    padding:3em;
    text-align:center
}