.collection-container select option {
    color: black;
}

.thb-filter-availability input,
.thb-filter ul.list-color label:after,
.thb-filter-availability .custom-checkbox[type="checkbox"]:after {
    border: 1px solid white !important
}
.thb-filter-availability .custom-checkbox[type="checkbox"]:checked::after {
    background: black !important;
}

#product-grid {
    margin-bottom: 0;
}