admin.dukany.io/public/assets/vendor_components/mixitup-v3/demos/insertion-non-target-elements/style.css

html,
body {
    height: 100%;
    background: #f2f2f2;
}

*,
*:before,
*:after {
    box-sizing: border-box;
}

/* Controls
---------------------------------------------------------------------- */

.controls {
    padding: 1rem;
    background: #333;
    font-size: 0.1px;
}

.control {
    position: relative;
    display: inline-block;
    width: 2.7rem;
    height: 2.7rem;
    background: #444;
    cursor: pointer;
    font-size: 0.1px;
    color: white;
    transition: background 150ms;
}

.control:hover {
    background: #3f3f3f;
}

.control[data-filter]:after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    top: calc(50% - 6px);
    left: calc(50% - 6px);
    border: 2px solid currentColor;
    border-radius: 2px;
    background: currentColor;
    transition: background-color 150ms, border-color 150ms;
}

.control[data-sort]:after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    border-top: 2px solid;
    border-left: 2px solid;
    top: calc(50% - 6px);
    left: calc(50% - 6px);
    transform:  translateY(1px) rotate(45deg);
}

.control[data-sort*=":desc"]:after {
    transform:  translateY(-4px) rotate(-135deg);
}

.mixitup-control-active {
    background: #393939;
}

.control:first-of-type {
    border-radius: 3px 0 0 3px;
}

.control:last-of-type {
    border-radius: 0 3px 3px 0;
}

/* Container
---------------------------------------------------------------------- */

.container {
    padding: 1rem;
    text-align: justify;
    font-size: 0.1px;
}

.container:after {
    content: '';
    display: inline-block;
    width: 100%;
}

/* Grid Elements
---------------------------------------------------------------------- */

.item,
.gap {
    display: inline-block;
    vertical-align: top;
}

.item {
    background: #fff;
    border-radius: 2px;
    margin-bottom: 1rem;
    position: relative;
}

.item:before {
    content: '';
    display: inline-block;
    vertical-align: middle;
    padding-top: 100%;
}

.button {
    background: #ddd;
    font-size: 4rem;
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    transition: box-shadow 100ms;
}

.button:hover {
    box-shadow: inset 0 0 20px rgba(0,0,0, .1);
}

.button:after {
    display: inline-block;
    content: '+';
    font-size: 4rem;
    color: #bbb;
}

/* Grid Breakpoints
---------------------------------------------------------------------- */

/* 2 Columns */

.item,
.gap {
    width: calc(100%/2 - (((2 - 1) * 1rem) / 2));
}

/* 3 Columns */

@media screen and (min-width: 541px) {
    .item,
    .gap {
        width: calc(100%/3 - (((3 - 1) * 1rem) / 3));
    }
}

/* 4 Columns */

@media screen and (min-width: 961px) {
    .item,
    .gap {
        width: calc(100%/4 - (((4 - 1) * 1rem) / 4));
    }
}

/* 5 Columns */

@media screen and (min-width: 1281px) {
    .item,
    .gap {
        width: calc(100%/5 - (((5 - 1) * 1rem) / 5));
    }
}