body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  font-family: sans-serif;
}

div#title {
  font-weight: 700;
}

div#description {
  margin-bottom: 10px;
}

.cell:hover {
  
  stroke: black;
  
}