.floating_button{
    position: fixed;
    z-index: 999;
    height: 50px;
    width: 50px;
    padding-top: 0px;
    font-weight: bold;
    box-shadow: 3px 3px 7px rgba(0, 0, 0, 0.8);
}

#help_button{
    right: 15px;
    bottom: 10px;
    font-size: 33px;
}

#change_language_button{
    right: 15px;
    bottom: 67px;
    font-size: 20px;
}