.player {
    float: left;
    height: 180px;
    width: 180px;
    margin: 15px;
}

.computer {
    float: left;
    height: 180px;
    width: 180px;
    margin: 15px;
}

.player img {
    width: auto;
    height: 100px;
}

.computer img {
    width: auto;
    height: 100px;
}