body, html {
  height: 100%;
  margin: 0;
  background-color: #D0D0D0;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

nav {
  overflow: hidden;
  background-color: #373F43;
}

nav a {
  float: left;
  color: #F2F2F2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

nav a:hover {
  background-color: #D0D0D0;
  color: #373F43;
}

nav a.current {
  background-color: #4CAF50;
  color: white;
}

li dl {
  width: 100%;
  overflow: hidden;
  background: #ff0;
  padding: 0;
  margin: 5;
}

li dt {
  float: left;
  width: 20%;
  /* adjust the width; make sure the total of both is 100% */
  background: #cc0;
  padding: 0;
  margin: 0;
  font-weight: bolder;
}

li dd {
  float: left;
  width: 80%;
  /* adjust the width; make sure the total of both is 100% */
  background: #dd0
  padding: 0;
  margin: 0;
}