.mobile--city button.cityModal {
    background: url(/local/components/bitrix/city/templates/.default/images/location-hover.svg) no-repeat !important;
    width: 20px;
    height: 20px;
    border: 0;
    min-width: 15px;
}
.mobile--city .block--city span {   
    bottom: -16px;
}
.mobile--city button.cityModal.active,
.mobile--city button.cityModal:active,
.mobile--city button.cityModal:focus,
.mobile--city button.cityModal:hover {
    width: 20px;
    height: 20px;
    border: 0;
    min-width: 15px;
}