@font-face {
  font-family: AppleII;
  src: url(PrintChar21.ttf);
}
body {

  font-family: AppleII, "Lucida Console", monospace;
  color: #33FF33;
  background-color: #282828;
}
#header {
  border-style: ridge;
  border-color: #33FF33;
  left: 0;
  top: 0;
  position: fixed;
  text-align: center;
  background-color: rgb(27, 4, 124);
  opacity: 1;
}
#spacer {
  position: -webkit-sticky;
  left: 0;
  top: 0;
  width: 100vw;
  background-color: #282828;
  opacity: 1;
}
#headerText {
  padding: 0;
  margin: 2vw;
  font-size: 7vw;
  line-height: 9vw;
  text-align: center;
}
#buttonDiv {
  position: relative;
  text-align: center;
}
.tennisButtons {
  line-height: 1.8ch;
  font-size: 3vh;

  color: #33FF33;
  background-color: rgba(27, 4, 124, 0.5);
  border: 5px solid #33FF33;
  position: relative;
  font-family: AppleII, "Lucida Console", monospace;
  border-radius: 2px;
}
p {
  opacity: 0;
  font-size: 1.5vh;
}
.tennisButtons{ font-size:calc(10px + 3vw); }