html, body{
    margin: 0px;
    padding: 0px;
    overflow: hidden;
    background-color: #2F4F30;
    color: #fff;
}
.header{
    text-align: center;
    background-color: #000;
    color: #fff;
    padding: 20px 0;
    font-size: 25px
}

.carta{
    position: relative;
    width: 150px;
    left: 100px;
    margin-left: -75px;
    transition: all 0.4s ease-in-out;
}
.carta:hover{
    transform: scale(1.1);
    transform: translateY(-10px);
    z-index: 1;
}
#computadora-cartas, #jugador-cartas{
    height: 240px;
}
#divBotones{
    width: 100%;
}