html {
  box-sizing: border-box;
}

/* The Universal Selector */
*, /* All elements*/
*::before, /* All ::before pseudo-elements */
*::after { /* All ::after pseudo-elements */
  /* height & width will now include border & padding by default
     but can be over-ridden as needed */
  box-sizing: inherit;
}

body {
	font-family: 'Fuzzy Bubbles', cursive, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
		Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  font-weight: bold;
	margin: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  background: url("../assets/notebook-paper.jpg") grey no-repeat;
  background-attachment: fixed;
  background-size: contain;
  background-position: center;
}

section.board {
  display: grid;
  grid-template-rows: repeat(3, 10vmin);
  grid-template-columns: repeat(3, 10vmin);
  grid-gap: 0vmin;
}

div {
  border: 3px solid black;
  font-size: 8vmin;
  text-align: center;
  vertical-align: middle;
}

#reset-button {
  font-size: 20px;
  padding: 0.3em 1.2em;
  margin-top: 25px;
  background-color:#ad1400;
  border: 3px solid #f14e4e;
  border-radius: 2em;
  font-family: 'Fuzzy Bubbles', cursive;
  font-weight: bold;
  color: white;
  text-align: center;
}

#reset-button:hover {
  background-color:#f14e4e;
  cursor: pointer;
}

h1 {
  font-size: 64px;
  margin-bottom: 0;
}

h2 {
  font-size: 38px;
}