body {
  text-align: center;
  background-color: #011F3F;
}

#level-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 3rem;
  margin:  5%;
  color: #FEF2BF;
}

.container {
  display: block;
  width: 50%;
  margin: auto;

}

.btn {
  margin: 25px;
  display: inline-block;
  height: 200px;
  width: 200px;
  border: 10px solid black;
  border-radius: 20%;
}

.game-over {
  background-color: red;
  opacity: 0.8;
}

.red {
  background-color: red;
}

.green {
  background-color: green;
}

.blue {
  background-color: blue;
}

.yellow {
  background-color: yellow;
}

.pressed {
  box-shadow: 0 0 20px rgb(248, 2, 2);
  background-color: rgb(9, 9, 9);
}
.demo {
  display: inline-block; /* Ensures the element fits the content */
  padding: 35px 50px; /* Adds padding to the button */
  font-size: 20px; /* Increases the font size */
  font-weight: bold; /* Makes the text bold */
  color: #fff; /* Sets the text color to white */
  background: linear-gradient(45deg, #0e0c0c, #4845f4); /* Adds a gradient background */
  border: none; /* Removes any border */
  border-radius: 10px; /* Rounds the corners of the button */
  text-transform: uppercase
}