@import url("https://fonts.googleapis.com/css2?family=Open+Sans&display=swap");

:root {
  --blue-gray-300: #cbd5e1;
  --blue-gray-500: #64748b;
  --blue-gray-600: #475569;
  --blue-gray-700: #334155;

  --sky-400: #38bdf8;
}

.body {
  font-family: "Open Sans", sans-serif;
  background: linear-gradient(34deg, #ccffff, #ffcccc);
}

.container {
  max-width: 800px;
  margin: auto;
  padding: 0.5rem;
}

.main-heading {
  color: var(--blue-gray-600);
  padding: 0.5rem;
}

.section {
  background-color: white;
  padding: 0.5rem;
  margin: 1rem auto;

  border-left: 1px solid var(--blue-gray-300);
  border-top: 1px solid var(--blue-gray-300);

  border-radius: 5px;
  box-shadow: 5px 5px 5px var(--blue-gray-300);
}

.section h3 {
  color: var(--blue-gray-500);
}

.section p {
  color: var(--blue-gray-700);
}

.button {
  display: block;
  margin: 1rem auto;
  cursor: pointer;

  font-size: 1rem;
  padding: 0.3rem 0.5rem;
  color: var(--blue-gray-700);

  border-radius: 5px;
  background-color: var(--sky-400);
  border: 1px solid var(--sky-400);
}

.button:hover {
  box-shadow: 2px 2px 4px var(--blue-gray-300);
}