body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

#grid {
  max-width: unset;
  padding: 0;
}

#header {
  background-color: darkgoldenrod;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 1.5rem;
}

#main {
  background-color: #0096ff;
  height: calc(
    100vh - 1.5rem
  ); /* 1.5 rem is the size of the text box at the top */
  display: flex;
  align-items: center;
  justify-content: center;
}

#aside {
  padding: 1rem;
  height: 100vh;
  max-height: 100vh;
  overflow-y: auto;
}