* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body {
  overflow: hidden;
}

html {
  scroll-behavior: smooth;
  background-color: #fafafa;
}

main {
  opacity: 0;
}

#before_intro {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100vw;
  background: #fafafa;
  animation: fadeout 0.5s ease forwards;
}

@keyframes fadeout {
  from {
    background-color: #e74536;
  }
  to {
    background-color: #fafafa;
  }
}