* {
  margin: 0;
  padding: 0;
}
body {
  width: 100vw;
  height: 100vh;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #916020;
  opacity: 0.8;
  background-size: 74px 74px;
  background-image: repeating-linear-gradient(
    to right,
    #f3e068,
    #f3e068 3.7px,
    #eebf38 3.7px,
    #eebf38
  );
}

.card-header {
  background-color: rgb(221, 224, 33);
  color: black;
}
.list-group-item {
  background-color: rgb(207, 240, 150);
  color: black;
}
/* .visor {
  border: 15px solid black;
   border-radius: 45%; 
} */

#canvas {
  background: rgb(151, 136, 105);
  display: block;
  width: 1000px;
  height: 500px;
  border: 15px solid black;
}
#manual {
  color: black;
  font-size: larger;
  background-color: rgb(245, 205, 153);
  border: solid 5px black;
}