body {
  margin: 0;
  background-color: powderblue;
  box-sizing: border-box;
  text-align: center;
}

.image {
  margin-top: 100px;
  margin-bottom: 100px;
  margin-right: 150px;
  margin-left: 80px;
}

/* Style the top navigation bar */
.topnav {
  overflow: hidden;
  background-color: #333;
}

/* Style the topnav links */
.topnav a {
  float: left;
  display: display-inside;
  color: #f2f2f2;
  text-align: left;
  padding: 14px 16px;
  text-decoration: text-decoration-line;
}

/* Change color on hover */
.topnav a:hover {
  background-color: #dfdfdf;
  color: darkslategray;
}

/* Style the content */
.content {
  background-color: #dfdfdf;
  padding: 8px;
}

/* Style the footer */
.footer {
  background-color: #f1f1f1;
  padding: 10px;
}