style.css

body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}

h1 {
  font-size: 2.5rem;
  color: white;
  letter-spacing: 0.277em;
  font-weight: 300;
}

.background-video {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(30%);
}

/* header {
  min-height: 100vh;
  display: grid;
  place-items: center;
} */

.preloader {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: white;
  display: grid;
  justify-content: center;
  align-items: center;
  z-index: 999;
  transition: 0.1s linear;
}