/* layout */
body {
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  display: grid;
  grid-template-rows: 1fr auto;
}

body>main {
  max-width: 100%;
  max-height: 100%;
  display: grid;
}

body>footer {
  z-index: 100;
}

.slide {
  z-index: 2;
}