#container {
  text-align: center;
}

#minutes {
  height: 35px;
  width: 100px;
  margin: 0 10px 0 0;
  border-radius: 4px;
  text-align: center;
}

#start {
  padding: 10px 20px;
  background: green;
  color: white;
  height: 40px;
  border: none;
  border-bottom: 4px solid darkgreen;
  border-radius: 4px;
}

#time {
  font-size: 48px;
}