body {
    background-color: #555;
}
.container {

    margin:auto;
    margin-top: 150px;
    background-color: #669;
    width: 321px;
    min-height: 321px;
}
.x-or-o {
    width:100%;
    position: absolute;
    top:0px;
}
.endgame {
    width:100%;
    font-size: 40px;
    display: none;
}
tr {
    height: 107px;
    /*border: 1px solid black;*/
    background-color: #555;
}
td {
    width: 107px;
    text-align: center;
    font-size: 4em;
}