* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  color: #fff;
  overflow: hidden;
}

.container {
  width: 100%;
  height: 100vh;
  background: linear-gradient(#0000006a, #0000006a), url("./assets/sky-bg.jpg");
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  position: relative;
}

#game {
  position: absolute;
  left: 0;
  top: 0;
  background: transparent;
}

.score_container {
  font-family: "Franklin Gothic Medium", "Arial Narrow", Arial, sans-serif;
  padding: 10px;
}

.score_container .score {
  font-size: 20px;
  margin-bottom: 10px;
}

.game_over {
  z-index: 50;
  font-size: 26px;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  color: #000;
  padding: 10px 30px;
  border-radius: 8px;
  transition: 1s;
  text-align: center;
  cursor: pointer;
}

.hidden {
  opacity: 0;
}