@charset "UTF-8";
#fixed_bottom{
    display: none;
    position: fixed;
    bottom: 0px;
    left: 0px;
    width: 100%;
    text-align: center;
}
#fixed_bottom img{
    display: inline-block;
    width: 320px;
}

@media only screen and (max-width: 768px){
    #fixed_bottom{
        bottom: 20px;
    }
    #fixed_bottom img{
        /*margin: 0px 0px 2% 2%;*/
        width: 45%;
    }
}