body {
  /*background: url("http://lilianabattle.com/wp-content/uploads/2014/03/Wooden-Desk-Wallpaper-193.png");
  */
  background: url("http://www.ipad-wallpapers.us/bgs/wood-ipad-background.jpg")  no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  
  font-family: Lobster;
  font-size: 28px;
  color: #a1bef7;
  text-align: center;
}

h1 {
  font-size: 28px;
  text-shadow: 2px 1px 1px #1346b8;
}

table, th, td, tr {
  font-family: Monospace;
  font-size: 22px;
}
th, td, tr {
  border: 5px solid black;
  text-align: center;
  width: 100px;
  height: 60px;
  background-color: #ffffff;
  color: #000000;
  padding: 7px;
}
td {
  background-color: #fffffc;
  cursor: pointer;
}
td:active {
  background-color: #dddddd;
}
th { 
  background-color: #dae9ff;
  width: 400px;
  text-align: right;
  font-size: 28px;
}
#calcDiv {
  background-color: #bbbbbb;
  border-radius: 20px;
  border-style: solid;
  border-color: #000;
  border-width: 5px;
  margin: 0 auto;
  width: 500px;
  height: 460px;
  padding: 40px;
}
#midDiv {
  height: 10px;
}


.article {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: black;
  font-size: 0.7em;
  text-align: left;
  padding: 3% 20%;
}