body {
  font-family: sans-serif;
  background-color: #eeeeee;
}

#mainContainer {
  display:flex;
  flex-direction: column;
  margin:auto;
  max-width: 700px;
}

#secondaryContainer {
  display: flex;
  gap: 1em;
}

#instructionsContainer {
  flex: 50%;
}


canvas {
  border: 4px solid black;
  margin: 0.25em auto;
}

h1 {
  text-align: center;
  margin-bottom: 0.25em;
}

h3 {
  margin: 0.25em auto;
}

h4{
  margin-top: 0.25em;
}
a {
  text-align: center;
}

.spacer {
  border-left: solid 1px #ddd;
}