.hero.is-info {
    /*
    background: linear-gradient(
        rgba(0, 0, 0, 0.5),
        rgba(0, 0, 0, 0.5)
      ), url('https://unsplash.it/1200/900?random') no-repeat center center fixed;
    */
    background: linear-gradient(
        rgba(0, 0, 0, 0.5),
        rgba(0, 0, 0, 0.5)
      ), url('../img/landing_bg_03.jpg') no-repeat center center fixed;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}
.hero .subtitle {
    padding: 3rem 0;
    line-height: 1.5;
}