* {
  box-sizing: border-box;
}

body {
  margin: 0px;
  background-color: #fff;
  font-size: 16px;
  font-style:italic;
  font-family:verdana;
  
}

/* Style the header */
.header {
  background-color: #6699ff;
  padding: 10px;
  text-align: centre;
  font-size: 36px;
  font-style:bold;
  font-family:verdana;
}

/* Style the top navigation bar */
.nav {
  overflow:hidden ;
  background-color: #6699ff;
}

/* Style the topnav links */
.nav a {
  float: left;
  display: block;
  color: #ffff99;
  text-align: center;
  padding: 10px 15px;
  margin-left: 10px;
  font-size: 25px;
  text-decoration: none;
}
/* Style the footer */
.footer {
  background-color: #6699ff;
  padding: 10px;
  text-align: center;
  color: #555;
   font-size: 18px;
}
.image1 {
  width: 200px ;
  height: 200px;
  float: center;
}
.image2 {
  width: 200px ;
  height: 200px;
  float: center;
}
.image3 {
  width: 200px ;
  height: 200px;
  float: center;
}
.image4 {
  width: 200px ;
  height: 200px;
  float: center;
}
.image5 {
  width: 1000px ;
  height: 1000px;
  float: center;
}


/* Change color on hover */