html {
  height: 100%;
}

body {
  background-color: white;
  margin: 0;
  padding: 0;
  height: 100%;
  display: -webkit-box;  /* OLD - iOS 6-, Safari 3.1-6, BB7 */
  display: -ms-flexbox;  /* TWEENER - IE 10 */
  display: -webkit-flex; /* NEW - Safari 6.1+. iOS 7.1+, BB10 */
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: 'Courier New', Courier, monospace;
}

canvas {
  padding: 0;
  margin: 0;
  display: block;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgb(0,0,0);
  background-color: rgba(0,0,0,0.8);
}

.saveContent {
  background-color: #fefefe;
  margin: 15% auto;
  padding: 20px;
  width: 80%; 
  max-width: 500px;
  border: 12px double #333;
}

.close {
  color: #aaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: #333;
  text-decoration: none;
  cursor: pointer;
}

h2 {
  width: 100%;
  text-align: center;
  font-size: 22px;
  border-bottom: 1px dotted #333;
}

form {
  width: 100%;
  text-align: center;
}

label,
select {
  font-family: 'Courier New', Courier, monospace;
  font-size: 16px;
}

label {
  font-weight: bold;
}

select {
  margin: 1% 1% 3% 1%;
}

button {
  font-family: 'Courier New', Courier, monospace;
  font-size: 16px;
  font-weight: bold;
  padding: 2%;
  width: 20%;
}

button:hover {
  cursor: pointer;
}