body {
  height: 100%;
  overflow: hidden;
  font: 16px sans-serif;
  color: rgb(255, 0, 0);
  background-color: rgb(49, 49, 49);
  box-shadow: #6b1818;
}

.wrap {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.jogo-wrapper {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.principal {
  width: 800px;
  height: 600px;
  background: url(img/fundo2.png);
  animation: scroll-background 5s linear infinite;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: -2;
}

header {
  text-align: center;
  background: black;
  color: #fff;
  padding: 10px;
}

footer {
  padding: 10px;
  text-align: center;
  font-size: 11px;
  background: black;
  color: white;
}

@keyframes scroll-background {
  from {
    background-position-y: 0;
  }
  to {
    background-position-y: 256px;
  }
}

.wrap {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.principal .laser {
  position: absolute;
  margin-left: -2.5px;
  height: 25px;
  /* default z-index is 0*/
  z-index: -1;
}

.principal .enemy{
  position: absolute;
}

.principal .Laser {
  position: absolute;
  margin-left: -2.5px;
  height: 20px;
  /* default z-index is 0*/
  z-index: -1;
}

 .perdeu {
  display: none;
  position: absolute;
  background: #6b1818;
  color: white;
  padding: 20px 50px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  text-align: center;
  animation: pop-in 1s;
}

.ganhou  {
  display: none;
  position: absolute;
  background: #05c04d;
  color: white;
  padding: 20px 50px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  text-align: center;
  animation: pop-in 1s;
}

.começar{
  display:flex;
  justify-content: center;
  align-items: center;
  border-radius: 15px;
  padding: 12px 48px 12px 48px;
  margin-bottom: 20px;

}

.começar img{
  width: 100px;
  height: 100px;
  cursor: pointer;
}

#cima{
  display: flex;
  justify-content: center;
  background-color:black ;
}

#cima ul{
  max-width: max-content;
  list-style: none;
  padding: 0;
  
}

#cima ul li{
  display: inline;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  
  
}

#cima ul li a{
  color: rgb(255, 255, 255);
  text-decoration: none;
  display: inline-block;
  font-size: 20pt;
  padding: 10px;
  margin-left: 100px;
  margin-right: 100px;

}

#cima ul li a:hover{
  border: solid white;

}