*, 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;
  }