/* Zerando os estilos */
* {
  margin: 0;
  padding: 0;
  box-sizing: 0;
}

.game-board {
  width: 100%;
  height: 80vh;
  border-bottom: 50px solid green;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  background: linear-gradient(#63c4eb, #e0f6ff);
}

/* tambor */
.pipe {
  position: absolute;
  bottom: 0px;
  width: 60px;
  animation: pipe-animations 1.5s infinite linear;
}

.mario {
  width: 130px;
  position: absolute;
  bottom: 0px;
}

.jump {
  animation: mario-animations 500ms ease-out;
}

.cloud {
  width: 500px;
  position: absolute;
  animation: cloud 20s infinite linear;
}

.game-over {
  visibility: hidden;
  display: flex;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  justify-content: center;
  align-items: center;
  background-color: rgba(65, 57, 57, 0.363);
}

.restart {
  height: 60px;
  width: 350px;
  border-radius: 10px;
  border: none;
  font-size: 20px;
  background-color: blue;
  cursor: pointer;
}

@keyframes pipe-animations {
  from {
    right: -80px;
  }

  to {
    right: 100%;
  }
}

@keyframes mario-animations {
  0% {
    bottom: 0;
  }

  40% {
    bottom: 120px;
  }

  50% {
    bottom: 120px;
  }

  60% {
    bottom: 120px;
  }

  100% {
    bottom: 0px;
  }
}

@keyframes cloud {
  from {
    right: -550px;
  }

  to {
    right: 100%;
  }
}

@media (max-width: 620px) {
  .mario {
    width: 110px;
    position: absolute;
    bottom: 0px;
  }

  .pipe {
    position: absolute;
    bottom: 0;
    width: 50px;
    animation: pipe-animations 1s infinite linear;
  }
}