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

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

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

.mix-filter {
    padding: 1rem;
    text-align: justify;
}

.mix-filter:after {
    /*content: '';*/
    /*display: inline-block;*/
    /*width: 100%;*/
}

/* Target Elements
---------------------------------------------------------------------- */

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

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

.mix:before {
    /*content: '';*/
    /*display: inline-block;*/
    /*padding-top: 56.25%;*/
}

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

/* 2 Columns */

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

/* 3 Columns */

@media screen and (min-width: 541px) {
    .mix,
    .gap {
        width: calc(100%/2 - (((2 - 1) * 1rem) / 2));
    }
}

/* 4 Columns */

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

/* 5 Columns */

@media screen and (min-width: 1281px) {
    .mix,
    .gap {
        width: calc(100%/4 - (((4 - 1) * 1rem) / 4));
    }
}