html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #F3F4F7;
  font-family: system-ui, sans-serif;
  color: #1F2A44;
}

#out {
  width: 100%;
  height: 100%;
}

#loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 8px;
}