.text-bg {
    background: rgb(15, 123, 167, 0.5);
    padding: 10px 0 10px 0;
}

p.text-bg {
    color: #fff;
}

.slider-text h1 {
    padding-top: 150px;
}

#myBtn {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 30px;
    z-index: 99;
    font-size: 18px;
    border: none;
    outline: none;
    background-color: #0f7ba7;
    color: white;
    cursor: pointer;
    padding: 15px;
    border-radius: 4px;
  }
  
  #myBtn:hover {
    background-color: #555;
  }

  .hero-wrap {
    height: 900px;
  }

  @media only screen and (max-width: 600px) {
    .slider-text h1 span {
      font-size: 1.3em;
    }
    h2 {
      font-size: 1.2em;
    }
    h3 {
      font-size: 1em;
    }
  }