:root {
  --light-grey: #b7ceed;
  --lighter-grey: #e7ebf2;
  --dark-grey: #738193;
  --width: 95vw;
}

@media (prefers-reduced-motion: reduce) {
  main {
        scroll-behavior: instant;
  }

}

html {
    margin: auto;
    height: 100%;
    font-family: times, serif;
  }

body {
  margin: auto auto auto;
  padding-left: 0.4em;
  height: 100%;
}


main {
  margin: auto;
  display: flex;
  flex-direction: row;
  gap: 3.5em;
  scroll-padding-top: 0;
  overflow-x: scroll;
  scroll-snap-type: x mandatory;
  scroll-padding: 0;
  width: var(--width);
  margin: 0;
  height: 85dvh;
  padding-bottom: .8em;
  scroll-behavior: smooth;
}

main > article {
  flex: 0 0 var(--width);
  scroll-snap-align: start;
}

main article > iframe {
  width: 100%;
  height: 85dvh;
  box-sizing: border-box;
  border: 2px solid var(--dark-grey)
}
main article > div {
  width: 100%;
  height: 85dvh;
  box-sizing: border-box;
}

article .fallback {
  background: var(--light-grey);
  display: flex;
  align-items: center;
  justify-content: center;
}
article .fallback p {
  font-size: 5em
}

.hidden-iframe {
  height: 0%;
  width: 0%;
  border: none;
}


h1 {
  margin: 0 0  0
}
header {
  margin: 1.2em 0
}


header > *{
  align-items: center;
  display: flex;
}

  header button, header a {
    cursor: pointer;
    border: none;
    border-radius: 20em;
    font-weight: 800;
    background: var(--light-grey);
  }

header nav a {
  text-decoration: none;
  height: 1em;
  padding: 0.12em .5em 0.35em;
  font-size: 1.5em


}

nav {
  display: flex;
  gap: 1.2em;
}

header .title button {
  padding: 0.3em 0.6em;
  font-size: 1.2em;
  }





@media screen and (max-width: 500px) {
  body {
        overflow-x: hidden
  }
  h1 {
    margin-right: .5em;
  }
}


@media screen and (min-width: 500px) {
  header button, header a {
    font-size: 1.3em;
  }

  h1 {
    display:inline-block;
  }
  .title h1 {
    padding-right: 1em
  }

  header {
    display: flex;
    justify-content: space-between;
    width: var(--width);

  }

}