header {
  position: sticky;
  width: 100%;
  top: 10px;
  height: 50px;
}

nav a {
  background-color: #F2E5BC;
  height: 50px;
  margin-left: 15px;
  margin-right: 15px;
  flex: 1;
  text-align: center;
  align-content: center;
  border: solid;
  border-radius: 2px;
  border-color: #DDCCAB;
}

nav a:hover {
  background-color: #E5D5AD;
}

nav {
  display: flex;
  flex-direction: row;
  width: 100%;
  align-items: center;
}