body{
  font-family: 'Courier New',monospace;
  margin: 0;
  padding: 0;
  width: 100%;
}

header{
  background-color: rgb(255, 230, 86);
  text-align: center;
  padding-top: 20px;
  padding-bottom: 20px;
}
h1{
  margin: 0;
}
p{
  text-align: center;
  line-height: 5px;
}
table{
  padding-top: 40px;
  margin-right: auto;
  margin-left: auto;
}
th,td{
  background-color: pink;
  width: 40px;
  height: 40px;
  text-align: center;
  line-height: 40px;
}