flappy-bird/index.css at main · thebishalniroula/flappy-bird · GitHub

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@import url("https://fonts.googleapis.com/css2?family=Cinzel+Decorative:wght@400;700;900&display=swap");
html {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 100vw;
}
body {
  height: 90vh;
  width: 100vw;
  background-color: black;
  position: relative;
  color: aliceblue;
}
.game-over {
  font-family: "Cinzel Decorative", serif;
  font-size: medium;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 32px;
}

.flappy-bird {
  height: 50px;
  width: 50px;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 100px;
  z-index: 100;
  transition: all 0.5s linear;
}

.obstacle {
  width: 50px;
  background-color: red;
  position: absolute;
}

.upper-obstacle {
  top: 0;
}

.lower-obstacle {
  bottom: 0;
}

.move-obstacle {
  animation: moveObstacle 5s infinite linear forwards;
}

.score {
  position: absolute;
  top: 10px;
  right: 10px;
  color: aliceblue;
  z-index: 200;
}

@keyframes moveObstacle {
  from {
    left: 100%;
  }
  to {
    left: 0;
  }
}