body {
  font-family: Trattatello, fantasy;
  color: white;
  background-image: url("images/nightsky.jpeg");
  background-size: cover;
}

h1 {
  font-weight: normal;
}

#container {
  display: flex;
  align-items: center;
  flex-direction: column;
  align-content: space-around;
}

#board{
  border-collapse: collapse;
}

#board td{
  border: 1px solid #ddd;
  width: 3px;
  height: 3px;
}

td.alive {
  /* background-color: #8CC8DD; */
  background-color: yellow;
}

#control_panel {
  margin: 10px 0 10px 0;
}

.button {
  padding: 0.85em 1em;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 0.9em;
  text-align: center;
  background-color: transparent;
  color: white;
}

.button:hover, .button:focus {
  background-color: grey;
  border-radius: 10px;
  color: white;
  opacity: 0.7;

}

.button:focus {
  border-radius: 10px;
  outline: dashed 1px yellow;
}

#foot {
  text-decoration: none;
  color: yellow;
}