html, body {
  /*height: 100%;*/
}

body {
  font-family: "Courier New", Courier, monospace;
  
  text-align: center;
}

#configurationTable {
  margin: 10px auto;
}

#configurationTable td:nth-child(2n + 1) {
  text-align: right;
}

input[type="number"] {
  width: 40px;
}

#configurationTable #startContainer {
  text-align: center;
}

#gameContainer:focus {
  outline: none;
}

canvas#backgroundCanvas {
  display: none;
}

canvas#gameCanvas {
  /*width: 640px;*/
  /*height: 480px;*/
  
  border-style: solid;
  border-width: 3px;
  border-color: green;
}

#footer {
  display: inline-block;
  
  border-style: solid;
  border-color: black;
  border-width: 1px;
}