body {
  margin: 0;
  padding: 0;
  min-height: 300vh;
  background-image: url("tiles.jpg");
  background-size: 200% 200%;
  background-position: center;
  background-repeat: no-repeat;
  color: white;
  font-family: "Poppins", "Helvetica Neue", Arial, sans-serif;
  display: block;
  text-align: center;
  overflow-y: auto;
  --scroll-opacity: 0.3;
}

header {
  font-size: 6rem;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 0.5em;
  text-transform: uppercase;
  background-color: rgba(0, 0, 0, 1);
  border: 6px solid white;
  padding: 0.5em 1.5em;
  box-sizing: border-box;
  display: inline-block;
}

h1 {
  font-size: 1.5rem;
  font-weight: 300;
  opacity: 0.8;
  letter-spacing: 1px;
}

p {
  max-width: 600px;
  margin: 1em auto;
  line-height: 1.6;
}

a {
  color: #888;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #fff;
}

body::-webkit-scrollbar {
  width: 12px;
}

body::-webkit-scrollbar-track {
  background: black;
  border: 2px solid white;
  border-radius: 6px;
}

body::-webkit-scrollbar-thumb {
  background-color: black;
  border-radius: 6px;
  border: 2px white; /* optional: adds separation from track */
}