@media screen and (min-width: 0px)
{
        .accordion-toggle:after
    {
        margin-top:-2px !important;
    }

    .accordion-toggle.collapsed:after
    {
        margin-top:-2px;
    }
}

@media screen and (min-width: 768px)
{
            .accordion-toggle:after
    {
        margin-top:0px !important;
    }

    .accordion-toggle.collapsed:after
    {
        margin-top:0px;
    }
}