#game{
    height: 570px;
    width: 900px;
    background-image: url('fb-game-background.png');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: bottom;
    border: 4px solid black;
    margin-left: 13%;
    margin-top: 2%;
    overflow: hidden;
    position: relative;
}

body{
    background-color: #e1f2de;
}

#pipe1{
    position: absolute;
    width: 50px;
    height: 50%;
    background-image: url('flappybird-pipe.png');
    transform: rotate(180deg);

}

#pipe2{
    position: absolute;
    width: 50px;
    height: 30%;
    top: 80%;
    background-image: url('flappybird-pipe.png');
}

.obs{
    left: 95%;
    animation: move 4s ease-in-out infinite;
    background-repeat: no-repeat;
    background-size: cover;

}


@keyframes move {
    0%{
        left: 100%;
    }
    100%{
        left: -6%;
    }
}

#bird{
    position: absolute;
    top: 200px;
    left: 90px;
}

#bird img{
    height: 60px;
    width: 80px;
}

#score{
    color: white;
    font-size: x-large;
    font-weight: bold;
    margin-left: 2%;
    margin-top: 2%;
}