* {
  margin: 0;
}

header {
  background: #ffb347; /* fallback for old browsers */
  background: -webkit-linear-gradient(to left, #ffb347 , #ffcc33); /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(to left, #ffb347 , #ffcc33); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
  height: 8em;
}

nav ul {
  float: right;
  margin-right: 2em;
}

nav ul li {
  list-style: none;
}

Add styling to header in layout
Add styling to header in layout
