html, body {
  display: flex;
  justify-content: center;
  
  padding: 0;
  margin: 0;
  
}

canvas {
  display: block;
  border: 5px solid #142430;
  border-radius: 5px;
}

.simulation
{
  background-color: #435461;
  border: 5px solid #1F313E;
  border-radius: 5px;
  padding: 20px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
  
}

.game-containter
{
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
}

.button-text
{
  margin: 10px 145px;
  font-size: 25px;
  color: #fff;
  background-color: #0077b6;
  padding: 5px;
  border-radius: 5px;
  text-align: center;
  
}

.button-container
{
  background-color: "#000";
}

.help-text
{
  margin: 10px 145px;
  font-size: 25px;
  color: #fff;
  background-color: #186188;
  padding: 5px;
  border-radius: 5px;
  text-align: center;
  
}

.txt1
{
  font-size: 15px;
  
}
.txt2
{
  font-size: 15px;
  
}