body {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

#gameContainer {
    position: relative;
    width: 400px;
    height: 600px;
    margin: 0 auto;
    border: 0px solid black;
    overflow: hidden;
    display: none;
}

#bird {
    position: absolute;
    width: 70px;
    height: 70px;
    background: url("./screen1/Asset\ 3.png");
    background-size: cover;
    /* or 'contain' */
    left: 50px;
    top: calc(50% - 20px);
}

.pipe {
    position: absolute;
    width: 70px;
    background-color: green;
    background: url(./screen1/Obstacles_2.png);
}

.topPipe {
    height: 200px;
    top: 0;
    background-size: contain;
    transform: rotate(180deg);
    width: 20px;
    background-repeat: repeat;
}

.bottomPipe {
    height: 100%;
    bottom: 0;
    width: 70px;
}

#score {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 20px;
}

#gameOver {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    display: none;
    color: white;
    font-family: 'Montserrat';
    font-weight: bold;
}

/* Game Animation */

@keyframes assetEight {
    from {
        transform: scale(1.0);
    }

    to {
        transform: scale(1.07);
    }
}

@keyframes assetNine {
    from {
        transform: scale(1.0);
    }

    to {
        transform: scale(1.07);
    }
}


@media only screen and (max-width: 500px) {
    #gameContainer {
        position: absolute;
        width: 100%;
        height: 100%;
    }
}