/* IDs */
#jogo{
    width: 600px;
    height: 200px;
    background-image: url(img/background.png);
    border: 1px solid black;
    margin: auto;
    overflow: hidden;
}
#dino{
    width: 50px;
    height: 50px;
    background-image: url(img/dino.png);
    background-size: 50px 50px;
    position: relative;
    top: 139px;
}
#cactos{
    width: 25px;
    height: 50px;
    background-image: url(img/cactus.png);
    background-size: 25px 50px;
    position: relative;
    top: 89px;
    left: 575px;
}

/* CLASSES */
.menu{
    width: 600px;
    height: 50px;
    margin: auto;
    text-align: center;
    display: flex;
    justify-content: space-evenly;
}
.pulo{
    animation: pular 0.5s linear;
}
.cacto{
    animation: cacto 1.5s infinite linear;
}
.fundo{
    animation: fundo 1s infinite linear;
}

/* ANIMAÇÕES */
@keyframes pular{
    0%{
        top: 139px;
    }

    25%{
        top: 100px;
    }

    50%{
        top: 70px;
    }

    75%{
        top: 100px;
    }

    100%{
        top: 139px;
    }
}
@keyframes cacto{
    0%{
        left: 600px;
    }

    100%{
        left: -25px;
    }
}
@keyframes fundo{
    from {
        background-position: 700%;
    }
    to {
        background-position: 0;
    }
}