body {
    padding: 0;
    margin: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgb(0, 0, 0);
    font-family: 'Courier New', Courier, monospace;
    color:rgb(21, 255, 0);

  }

.menu{
    position: relative;
    font-size: 2rem;
    
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99;
    border: 0px solid greenyellow;
    height: 30px;
    width:100%;
    padding: 1rem
}
.game{
    border: 2px solid rgb(0, 255, 0);
    margin: 20px;
}
.header{
    margin-top: 40px;
    width: 50%;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}