html {
  width: 100%;
  height: 100%;
  background: url("1.png");
}
body {
  margin: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.5) 33%, black);
  font-size: 20px;
  font-family: Verdana, Arial, Helvetica Neue, Helvetica, sans-serif;
  color: #000;
}
#gameCont {
  position: absolute;
  top: 0;
  bottom: 50;
  left: 0;
  right: 0;
  margin: auto;
  width: 302px;
  height: 316px;
}
canvas {
  clear: both;
  display: block;
  border: 10px solid crimson;
  background: rgba(0, 0, 0, 0.1);
  box-shadow: 0 0 10px 2px black;
}
#lives,
#score {
  padding: 0 10px;
  margin: 0;
  line-height: 1.5em;
}
#lives {
  float: right;
  color: crimson;
}
#score {
  float: left;
  color: #000000;
}
#playAgain {
  visibility: hidden;
  text-align: center;
  margin: 10px auto 5px auto;
  padding: 5px;
  width: 151px;
  background: #fff;
  font-size: 18px;
  border: 3px solid tomato;
  cursor: pointer;
}
#playAgain:hover {
  color: white;
  background: tomato;
}