*,body{
  margin:0;
  padding:0;
  font-family:"Arial",sans-serif;
}
.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 40px;
  border-bottom:1px solid gray;
}
.header-nav{
  display:flex;
  gap: 40px
}
.header-link{
  text-decoration:none;
  color:black;
  text-transform:uppercase;
}