html,body{
  margin:0;
  padding:0;
  height:100%;
  background:#000;
  color:#fff;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
.wrap{
  min-height:100%;
  min-height:100dvh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2rem;
  text-align:center;
}
h1{
  margin:0;
  font-weight:600;
  font-size:clamp(4rem,12vw,8rem);
  letter-spacing:.02em;
  color:#fff;
}
.knop{
  display:inline-block;
  color:#fff;
  background:transparent;
  text-decoration:none;
  border:1px solid #fff;
  padding:.75rem 1.7rem;
  font-size:1.05rem;
  line-height:1.2;
  border-radius:6px;
}
.knop:hover,.knop:focus{
  background:#fff;
  color:#000;
  outline:none;
}