#instruction {
  padding: 5px;
  margin: 10px 100px 0px 100px;
  text-align: center;
  font-size: 160%;
  background-color: #eeeeee;
  font-family: ariel, sans-serif;
}

#log {
  margin: 10px 0px 0px 0px;
  height: 400px;
  overflow: auto;
}