header {
    background-image: url('space.webp');
    background-size: cover;
    margin: 0px;
    padding: 100px;
}

header h1{
    text-align: center;
    margin: 20px;
    padding: 10px;
    font-size: 50px;
}

body {
    background-color: rgb(23, 31, 78);
    color: white;
    font-family: roboto, sans-serif;
}

#about {
    background-color: rgb(3, 6, 25);
    margin: 20px;
    padding: 10px;
    border: 4px solid rgb(3, 6, 25);
    border-radius: 15px;
}

#projects {
    background-color: rgb(3, 6, 25);
    margin: 20px;
    padding: 10px;
    border: 4px solid rgb(3, 6, 25);
    border-radius: 15px;
}

#contact {
    background-color: rgb(3, 6, 25);
    margin: 20px;
    padding: 10px;
    border: 4px solid rgb(3, 6, 25);
    border-radius: 15px;
}

#future {
    background-color: rgb(3, 6, 25);
    margin: 20px;
    padding: 10px;
    border: 4px solid rgb(3, 6, 25);
    border-radius: 15px;
}

ul.nav-links {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #2a2a2a;
  position: sticky;
  top: 0;
  width: 100%;
  height: 50px;
  text-align: center;
}

ul.nav-links li {
  float: left;
  align-items: center;
}

ul.nav-links li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

ul.nav-links li a:hover {
  background-color: #49547a;
}

ul.nav-links li a.active {
  background-color: #1e2a4f;
}