html, body {
    height: 100%;
    touch-action: none; /* disable double click zoom on mobile*/
    -webkit-user-select: none; /* Safari */
    -ms-user-select: none; /* IE 10+ and Edge */
    user-select: none; /* Standard syntax */
}


#HeaderBar {
    display: flex;
    flex-direction: row;
    justify-content: space-around;
    align-items: center;
    position: relative;

}


#info {
    position: absolute;
    right: 0.5em;

}

#info i:hover {
    opacity: 0.6;
    cursor: text;
}

#infoText {
    position: absolute;
    font-size: 0.7em;
    display: none;
    border-radius: 5px;
    padding: 2px;
    z-index: 2;
    top: 120%;
    right: 5%;
    width: 300px;
    opacity: 0.7;
    text-align: center;
    color: white;
    background-color: black;
}

#info:hover #infoText {
    display: block;
}

#infoText::after {
    content: '';
    position: absolute;
    bottom: 100%;
    right: 5%;
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent black transparent;
}


.button {
    color: black;
    margin: 5px;
    padding: 4px;
}

.button:hover {
    cursor: pointer;
    opacity: 0.7;
}



#bg {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: url("image.jpg") repeat-x;
    background-size: auto 100%;
}

#bird {
    width: 30px;
    height: 30px;
    background: green;
    position: absolute;
    left: 50px;
    top: 100px;
}

img {
    max-width: 30px;
    max-height: 30px;
}


#DropBox {
    position: relative;
    height: 100%;
    border: 5px lightcoral solid;
    overflow: hidden;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;

}

#restart {
    display: none;
    z-index: 1;
}



#container {
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;

}

.pillar {
    position: absolute;
    background-color: lightgreen;
    width: 2em;
    right: 0;
}


@media only screen and (min-width: 900px) {

    #HeaderBar{
        font-size: 2em;
    }

    #bird {
        width: 60px;
        height: 60px;
        background: green;
        position: absolute;
        left: 100px;
        top: 100px;
    }

    img {
        max-width: 60px;
        max-height: 60px;
    }

    .pillar{
        width: 4em;
    }
}