h1 {
  text-align: center;
  margin: 0;
}

#container {
  display: block;
  background: blue;
  margin: 0px auto;
  padding: 25px;
  border-radius: 25px;
      width: 360px;
}

#header {
  display: block;
}

#wrapper {
  display: inline-block;
  margin: 20px auto;
}

#start {
  width: 80px;
  padding: 15px;
  background-color:red;
  color:#fff;
  text-align: center;
  margin: 0px auto;
  border-radius: 10px;
}

#start:active{
  background-color:green;
}

p {
  text-align: center;
  color: #fff;
  margin: 8px 8px 16px 8px;
}

.row {
  height: 30px;
  width: 360px;
}

.square {
  width: 30px;
  height: 30px;
  margin: 0px;
  outline: 1px solid;
  display: inline-block;
  float: left;
  background: #FFFFFF;
}

.square:active {
  background-color: #333;
  color: #fff;
}

.grey {
  background-color: #888;
}

.invis {
  font-size: 0;
}

.trump {
  background: url("../trump.jpg");
}

#footer {
  max-width: 275px;
  
  text-align: center;
  margin: 0px auto;
  color: #fff;
  margin-top: 15px;
}

#footer a {
  color: #fff;
}