body {
    background-image:url("../img/puzzle-light-background.png"); /* fallback */
    background-image:url("../img/puzzle-light-background.png"), linear-gradient(to left, #000, transparent);
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
html {
    height: 100%;
}
 .container .text-block {
  position: absolute;
    //max-width: 1000px;
    margin: 0 auto;
    bottom: 0;  
    color: black;
    padding-left: 0px;
    padding-right: 20px;
    padding-top: 215px;
    font-size: 32px;
    height:100%;
}

    img {
      -webkit-mask-image:-webkit-gradient(to left, #000, transparent);
        mask-image: linear-gradient(to left, #000, transparent);
    }
    li {
        color:#444;
        //text-decoration: underline;
        line-height: 2.0em;      // increase space betw list items
    }