:root {
  font-size: 16px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  padding: 2rem;
  font-family: system-ui, sans-serif;
  color: #172033;
  background: #eef2ff;
}

h1 {
  margin-top: 0;
}

.hint {
  max-width: 65ch;
  color: #4b5563;
}

.container {
  width: min(80vw, 56rem);
  min-width: 18rem;
  max-width: 95vw;
  margin-top: 2rem;
  padding: 1.25rem;
  overflow: auto;
  resize: horizontal;
  border: 3px dashed #64748b;
  border-radius: 0.75rem;
  background: white;
  box-shadow: 0 1rem 2rem rgb(15 23 42 / 10%);
}

.box {
  margin: 0.75rem 0 1.5rem;
  padding: 1rem;
  border: 2px solid #3730a3;
  border-radius: 0.5rem;
  color: white;
  background: #4f46e5;
  white-space: nowrap;
}

.box-1 {
  width: 240px;
}

.box-2 {
  width: 60%;
}

.box-3 {
  width: 18rem;
}

.box-4 {
  width: calc(50% - 20px);
}

code {
  padding: 0.1em 0.35em;
  border-radius: 0.25rem;
  background: #e2e8f0;
}