body{
    font-family: 'Courier New', Courier, monospace;
    text-align: center;
    color: aliceblue;
    background-image: url(space.jpg);
   
    
     /* height: 100%; */
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover; 
    /* width:100%;  */
}
body>h1{
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

#board{
   background-color:  rgba(0,0,0, 0.4);
}

.endgame{
    display: none;
    width:300px;
    top:200px;
    background-color: red;
    position: absolute;
    left : 50%;
    margin-left: -130px;
    padding-top: 50px;
    padding-bottom: 50px;
    text-align: center;
    border-radius: 5px;
    color:white;
    font-size:2em;
}