body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  background-color: #0f4c81;
  color: lightgrey;
  text-align: center;
  font-size: 36px;
}
p {
  font-size: 24px;
  margin-left: 50px;
  margin-right: 50px;
  /*text-indent: 50px;*/
}
a {
  color: yellow;
}
ul {
  display: table;
  margin: 0 auto;
}

.hero-image {
  /* Use "linear-gradient" to add a darken background effect to the image (photographer.jpg). This will make the text easier to read */
  background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url("images/litter.jpg");

  /* Set a specific height */
  height: 50%;

  /* Position and center the image to scale nicely on all screens */
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
}