:root {
  --bg-color: #f0ffff;
  --secondary-color: #333;
  --reset-color: red;
}

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-color);
}

.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

header {
  padding: 4rem;
}

button {
  padding: 10px 12px;
  border-radius: 5px;
  border: 0;
  cursor: pointer;
  background-color: var(--secondary-color);
  color: var(--bg-color);
  border: .01rem solid var(--secondary-color);
  transition: background-color .15s, color .15s;
}
button:hover {
  background-color: var(--bg-color);
  color: var(--secondary-color);
  border: .01rem solid var(--secondary-color);
}
button[type='reset']:hover {
  background-color: var(--reset-color);
  color: var(--bg-color);
  border: .01rem solid var(--reset-color);
}

section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

section .prompt {
  border-bottom: .1rem dashed var(--secondary-color);
}
section input {
  padding: .5rem;
  font-size: 1rem;
  border-radius: .25rem;
  border: .01rem solid var(--secondary-color);
}

table, tr, th, td {
  border-collapse: collapse;
  border: .1px solid var(--secondary-color);
  padding: 1rem;
}