:root {
  --headerH: 56px;
}

html, body {
  height: 100%;
  margin: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

input[type="text"]:focus {
  outline: none;
}

@media (max-width: 640px) {
  .weather-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .weather-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}