Tic-tac-toe: CSS

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

#title
{
  font-size: 24px;
  margin-top: 30px;
  margin-bottom: 30px;
}

#board
{
  margin-bottom: 30px;
}

#board button
{
  background-color: white;
  font-size:24px;
  margin: 10px;
  padding: 20px 0px;
  width: 70px;
  color: lightgray;
}

#board button.activated
{
  background-color: lightgray;
}

#board button.x
{
  color: red;
}

#board button.o
{
  color: blue;
}

#score_x
{
  color: red;
}

#score_o
{
  color: blue;
}

#restart
{
  font-size: 16px;
  padding: 10px;
  background-color: black;
  color: white;
  margin: 5px;
}

#log
{
  width: 400px;
  height: 200px;
}