ExtSearch/build/origin/sass/apex/themes/xs.scss

@include media-breakpoint-up(xs) {
    body {
        .d3_extsearch_navigation {
            &.d3theme_#{$d3_class_themeid} {
                &.baseframe {
                    width: 100%;
                    background-color: $d3_color_background_white;
                }

                &.d3sidebar {
                    #d3searchfilterform {
                        width: 100%;

                        .item {
                            @include make-col($grid-columns);
                            float: none;
                        }
                    }
                }
            }

            .list {
                .item {
                    > label {
                        font-size: 16px;
                    }

                    .filterselector,
                    .multiselectvalue {
                        display: flex;
                        flex-direction: row;
                        justify-content: flex-start;
                        align-items: flex-start;
                        margin: 0 4px 4px 0;

                        label {
                            margin-bottom: 0;
                        }
                    }

                    .filterselector {
                        margin: 4px 0;
                    }

                    input[type="checkbox"] {
                        margin: 1px 4px 0 0;
                        line-height: normal;
                    }
                }
            }
        }

        &.cl-search,
        &.cl-alist,
        &.cl-manufacturerlist,
        &.cl-vendorlist {
            .d3sidebar {
                .box {
                    display: none !important;

                    &.d3sidebar {
                        display: block !important;

                        .box {
                            display: block !important;
                        }
                    }
                }

                .noUi-target {
                    margin: 5px 14px 27px;

                    .noUi-connect {
                        background-color: $light;
                    }

                    .noUi-handle {
                        border-color: #A0A0A0;
                        &::before,
                        &::after {
                            background: #A0A0A0;
                        }
                    }

                    .noUi-tooltip {
                        top: 30px;
                        height: 27px;
                    }
                }
            }
        }

        &.cl-search {
            .d3_extsearch_navigation {
                &.d3theme_#{$d3_class_themeid} {
                    &.baseframe {
                        div {
                            &.content {
                                &.list {
                                    display: block;
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}

@include media-breakpoint-only(xs) {

}

@include media-breakpoint-down(xs) {

}