* {
  box-sizing: border-box;
}

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

body {
  align-items: center;
  background: #ffffff;
  color: #202124;
  display: flex;
  font-family: Arial, Helvetica, sans-serif;
  justify-content: center;
  padding: 24px;
}

.game-shell {
  position: relative;
  width: min(100%, 760px);
}

canvas {
  border: 1px solid #e8eaed;
  display: block;
  height: auto;
  max-width: 100%;
  width: 100%;
}

.game-over {
  align-items: center;
  background: #ffffff;
  bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  left: 0;
  position: absolute;
  right: 0;
  text-align: center;
  top: 0;
}

.game-over[hidden] {
  display: none;
}

.game-over h1 {
  font-size: 34px;
  font-weight: 600;
  margin: 0 0 10px;
}

.game-over p {
  color: #5f6368;
  font-size: 20px;
  margin: 0;
}