footer {
    display: flex;
    align-items: center;
    position: fixed;
    bottom: 0px;
    width: 100%;
    height: 45px;
    padding: 5px 20px;
    z-index: 100;
    color: #818C8D;
    background-color: #EDF0F1;
    box-shadow: 0px 0px 4px 0px rgba(0,0,0,0.1);
}

#copyright {
    flex-grow: 1;
}

#help-mobile {
    display: none;
}

@media screen and (max-width: 450px) {
    body {
        padding-bottom: 55px;
    }
    footer {
        flex-flow: wrap;
        justify-content: center;
        text-align: center;
        height: 55px;
    }
    #help-mobile {
        display: block !important;
    }
    #help {
        display: none;
    }
}