* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: #050505;
}

body {
  min-width: 320px;
}

.guide {
  width: min(100%, 1260px);
  margin: 0 auto;
  background: #050505;
}

.guide-page {
  margin: 0;
  padding: 0;
  background: #050505;
}

.guide-page img {
  display: block;
  width: 100%;
  height: auto;
}

@media (min-width: 900px) {
  .guide {
    padding: 18px;
  }

  .guide-page + .guide-page {
    margin-top: 18px;
  }
}

@media (max-width: 899px) {
  .guide-page + .guide-page {
    margin-top: 0;
  }
}