html, body {
  margin: 0px;
  text-align: center;
  background-color: #f2f2f2;
  font-family: cursive, sans-serif;
  width: 100%;
  height: 100%;
}
h1 {
  color: white;
  font-style: italic;
  text-shadow: 2px 2px 4px #000;
  font-size: 30px;
  padding: 5px;
  margin: 0px;
}
header {
  background-color: #ffc4c4;
  border: 2px solid #fff;
  text-align: left;
}
.alertBox {
  background-color: #ffc4c4;
  border-radius: 8px;
  padding: 10px;
  margin-top: 10px;
}
input[type=text] {
  border: 2px solid #ff4d4d;
  width: 200px;
  height: 20px;
  margin: 4px;
}
#choose, #restart {
  background-color: #000;
  border: #000;
  color: white;
  text-align: center;
  font-weight: bold;
  margin: 4px 2px;
  padding: 5px;
  cursor: pointer;
}
#restart {
  background-color: #ff4d4d;
}
#choose:disabled {
  visibility: hidden;
}
footer {
  position: absolute;
  bottom: 0px;
  color: #ff4d4d;
  padding: 10px;
  border: 2px solid snow;
  border-radius: 0 5px;
  text-shadow: 2px 2px 4px #666;
}