* {
  box-sizing: border-box;
}

body {
  margin: 0px;
  background-color: white;
  
}

/* Style the header */
.header {
  background-color: red;
  padding: 10px;
  text-align: center;
  font-size: 15px;
  
}

/* Style the top navigation bar */
.nav {
  overflow:hidden ;
  background-color: green;
}

/* Style the topnav links */
.nav a {
  float: left;
  display: block;
  color: black;
  text-align: center;
  padding: 10px 15px;
  margin-left: 10px;
  font-size: 20px;
  text-decoration: none;
}

/* Change color on hover */
.nav a:hover {
  background-color: white;
  color: black;
}


/* Style the footer */
.footer {
  background-color: green;
  padding: 10px;
  text-align: center;
  color: black;
   font-size: 18px;
}
.section {
  padding:  10px 5px 15px;
  text-align: center;
   font-size: 18px;
  color: #000;
  background-color: #fff;
  
}
.image1 {
  width: 200px ;
  height: 200px;
  float: right;
  padding: 10px 10px 10px;
}
.image2 {
  width: 200px ;
  height: 200px;
  float: left;
  padding: 10px 10px 10px;
}