.aios-qs .btn-group button{
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    outline: none;
    border: none;
    border-bottom: 1px solid #000;
    background-color: transparent;
    font: normal 400 12.05px/1 'Josefin Sans', sans-serif;
    color: #000;
    text-transform: uppercase;
    display: block;
    width: 100%;
    padding: 0;
    height: 33px;
    border-radius: 0px;
    outline: 0;
}
.aios-qs .btn-group button .filter-option{
    color: #000 !important;
}