.hero-overlay {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  width: 100%;
  height: 100%;
  padding-top: 100px;
  padding-bottom: 100px;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  background-color: #f5f5f5;
  background-image: none;
  color: #fff;
}

.centered-container {
  max-width: 400px;
  -webkit-box-flex: 1;
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  color: #222;
  text-align: center;
}

.body {
  height: 100%;
}

.paragraph {
  display: inline-block;
  padding-bottom: 20px;
  border-bottom-width: 1px;
  border-bottom-color: #000;
  font-family: 'Open Sans', sans-serif;
  font-weight: 400;
}

.heading {
  font-family: Impact, Haettenschweiler, 'Franklin Gothic Bold', Charcoal, sans-serif;
}

@media screen and (max-width: 991px) {
  .hero-overlay {
    background-image: url('../images/pexels-photo-825947.jpeg');
    background-position: 50% 100%;
    background-size: 60%;
  }
  .centered-container {
    margin-top: -392px;
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
  }
}

@media screen and (max-width: 767px) {
  .hero-overlay {
    padding: 40px 20px;
  }
  .centered-container {
    margin-top: -280px;
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
  }
}

@media screen and (max-width: 479px) {
  .hero-overlay {
    background-image: url('../images/pexels-photo-825947.jpeg');
    background-size: 100%;
  }
  .centered-container {
    -webkit-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
    text-align: left;
  }
  .paragraph {
    text-align: center;
  }
  .heading {
    text-align: center;
  }
}