* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-image: url("cat.gif");
  background-size: cover;
  font-family: Arial, Helvetica, sans-serif;
}

.main {
  margin: auto;
  margin-top: 70px;
}

section {
  background-color: lightgrey;
  border: 5px solid blue;
  padding: 20px;
  margin: auto;
  margin: 10px;
}

nav ul li {
  display: inline;
  list-style-type: none;
}
nav ul li a:hover {
  background-color: #369;
  color: #fff;
}
p {
  margin-top: 5px;
}
.contact {
  position:fixed;  
  top:0;
  text-align: right;
  
  width: 100%;
  height: 50px;
  background-color: #cfecf7;
}