/* Navigation bar */
.topnav {
  background-color: #708090;
  overflow: hidden;
}

/* Style the links inside the navigation bar */
.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

/* Change the color of links on hover */
.topnav a:hover {
  background-color: #ddd;
  color: black;
}

/* Add a color to the active/current link */
.topnav a.active {
  background-color: #b1c9ad;
  color: white;
}
.responsive-img {
  max-width: 100%;
  height: auto;
  display: block;
  margin-bottom: 12px;
}