h1 {
    text-align: center;
}
h2 {
    margin-left: 10px;
}
.puntos {
    width: 70%;
    height: 80px;
    border: 2px crimson solid;
    margin-left: 10px;
    background-color: black;
}
.tablero {
    width: 440px;
    height: 160px;
    margin: auto;
    border: 2px crimson solid;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}
#pantalla {
    width: 440px;
    height: 440px;
    margin: auto;
    margin-top: -2px;
    border-top: 0px;
    border: 2px crimson solid;
    background-color: black;
    display: flex;
    flex-wrap: wrap;
}
.square {
    width: 22px;
    height: 22px;
    border: 1px white solid;
    box-sizing: border-box;
    display: flex;
}
#numero {
    color:aqua;
    z-index: 1;
    font-size: 40px;
    display: block;
    margin-top: 30px;
    text-align: center;
}
.comenzar {
    float:right;
    width: 75px;
    height: 50px;
    margin-top: -70px;
    margin-right: 15px;
    border-radius: 10px;
    border: 2px crimson solid;
    background-color: lightpink;
}
.gameOver {
  position: absolute;
  margin-left: 80px;
  margin-top: 100px;
  width: 280px;
  height: 110px;
  background-color: lightpink;
  color: crimson;
  border: 2px crimson solid;
  font-size: 30px;
  z-index: 2;
}
.apple {
  position: absolute;
  background-color: #b5e900;
  width: 20px;
  height: 20px;
  border-radius: 10px;
}