body {
  background-color: #cccccc;
}

#log {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 0;
  color: #ff0000;
  overflow: hidden;
  font-size: 20px;
  z-index: 999;
}

#log .inner {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: 0;
  padding: 0;
  background-color: rgba(255, 255, 255, 0.75);
}

#log .inner .line {
  margin: 0;
  padding: 3px 15px;
  border-width: 1px;
  border-color: #aaaaaa;
  border-style: none;
  border-bottom-style: solid;
  white-space: pre-wrap;
}