body {
  margin: 0;
  font-family: system-ui, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: center;
  align-items: center;
  background: #f5faff;
  color: #222;
}

main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.logo {
  max-width: 300px;
  width: 100%;
  height: auto;
}

footer {
  padding: 1rem;
  font-size: 0.875rem;
  color: #555;
}
  
/* screen-reader only text */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}