style.css

* {
  margin: 0;
  padding: 0;
  font-family: "Gill Sans", "Gill Sans MT", Calibri, "Trebuchet MS", sans-serif;
}
.gameAria {
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: url("https://imgur.com/19GPbJd.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
.player {
  position: fixed;
  width: 10vmin;
  height: 8vmin;
  top: 40%;
  left: 1em;
  background: url("https://imgur.com/vcK646j.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  z-index: 2;
  transition: all 0.25s;
}
.topPipe {
  height: 20%;
  width: 10%;
  background: linear-gradient(to top, #248b31, #00ff1f);
  position: absolute;
  top: 0;
  right: 7%;
  transition: all 0.2s;
}
.bottomPipe {
  height: 20%;
  width: 10%;
  background: linear-gradient(to bottom, #248b31, #00ff1f);
  position: absolute;
  bottom: 0;
  right: 7%;
  transition: all 0.2s;
}
.topPipe::after {
  content: "";
  width: 110%;
  height: 50px;
  position: absolute;
  bottom: 0;
  left: -5%;
  background: green;
  border-radius: 5px;
}
.bottomPipe::after {
  content: "";
  width: 110%;
  height: 50px;
  position: absolute;
  top: 0;
  left: -5%;
  border-radius: 5px;
  background: green;
}
.gameMsg {
  z-index: 3;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.5rem;
}
.scoreBoard {
  position: fixed;
  top: 2%;
  left: 1%;
  font-size: 1.5rem;
  z-index: 7;
}
.d-none {
  display: none;
}