html, body {
  margin: 0;
  min-height: 100%;
  background: #050b12;
  color: #eaf6ff;
  font-family: Arial, Helvetica, sans-serif;
}
.map-shell {
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 0;
  box-sizing: border-box;
}
img {
  display: block;
  width: 100%;
  max-width: 1100px;
  height: auto;
}