Theme/src/grid.scss

.row {
    box-sizing: border-box;
    display: flex;
    flex: 0 1 auto;
    flex-flow: row wrap;
}

.col-sm,
[class^="col-sm-"],
[class^="col-sm-offset-"],
.row[class*="cols-sm-"] > * {
    box-sizing: border-box;
    flex: 0 0 auto;
    padding: 0 calc(var(--universal-padding) / 2);
}

.col-sm,
.row.cols-sm > * {
    max-width: 100%;
    flex-grow: 1;
    flex-basis: 0;
}

.col-sm-1,
.row.cols-sm-1 > * {
    max-width: 8.33333%;
    flex-basis: 8.33333%;
}

.col-sm-offset-0 {
    margin-left: 0;
}

.col-sm-2,
.row.cols-sm-2 > * {
    max-width: 16.66667%;
    flex-basis: 16.66667%;
}

.col-sm-offset-1 {
    margin-left: 8.33333%;
}

.col-sm-3,
.row.cols-sm-3 > * {
    max-width: 25%;
    flex-basis: 25%;
}

.col-sm-offset-2 {
    margin-left: 16.66667%;
}

.col-sm-4,
.row.cols-sm-4 > * {
    max-width: 33.33333%;
    flex-basis: 33.33333%;
}

.col-sm-offset-3 {
    margin-left: 25%;
}

.col-sm-5,
.row.cols-sm-5 > * {
    max-width: 41.66667%;
    flex-basis: 41.66667%;
}

.col-sm-offset-4 {
    margin-left: 33.33333%;
}

.col-sm-6,
.row.cols-sm-6 > * {
    max-width: 50%;
    flex-basis: 50%;
}

.col-sm-offset-5 {
    margin-left: 41.66667%;
}

.col-sm-7,
.row.cols-sm-7 > * {
    max-width: 58.33333%;
    flex-basis: 58.33333%;
}

.col-sm-offset-6 {
    margin-left: 50%;
}

.col-sm-8,
.row.cols-sm-8 > * {
    max-width: 66.66667%;
    flex-basis: 66.66667%;
}

.col-sm-offset-7 {
    margin-left: 58.33333%;
}

.col-sm-9,
.row.cols-sm-9 > * {
    max-width: 75%;
    flex-basis: 75%;
}

.col-sm-offset-8 {
    margin-left: 66.66667%;
}

.col-sm-10,
.row.cols-sm-10 > * {
    max-width: 83.33333%;
    flex-basis: 83.33333%;
}

.col-sm-offset-9 {
    margin-left: 75%;
}

.col-sm-11,
.row.cols-sm-11 > * {
    max-width: 91.66667%;
    flex-basis: 91.66667%;
}

.col-sm-offset-10 {
    margin-left: 83.33333%;
}

.col-sm-12,
.row.cols-sm-12 > * {
    max-width: 100%;
    flex-basis: 100%;
}

.col-sm-offset-11 {
    margin-left: 91.66667%;
}

.col-sm-normal {
    order: initial;
}

.col-sm-first {
    order: -999;
}

.col-sm-last {
    order: 999;
}

@media screen and (min-width: 768px) {
    .col-md,
    [class^="col-md-"],
    [class^="col-md-offset-"],
    .row[class*="cols-md-"] > * {
        box-sizing: border-box;
        flex: 0 0 auto;
        padding: 0 calc(var(--universal-padding) / 2);
    }

    .col-md,
    .row.cols-md > * {
        max-width: 100%;
        flex-grow: 1;
        flex-basis: 0;
    }

    .col-md-1,
    .row.cols-md-1 > * {
        max-width: 8.33333%;
        flex-basis: 8.33333%;
    }

    .col-md-offset-0 {
        margin-left: 0;
    }

    .col-md-2,
    .row.cols-md-2 > * {
        max-width: 16.66667%;
        flex-basis: 16.66667%;
    }

    .col-md-offset-1 {
        margin-left: 8.33333%;
    }

    .col-md-3,
    .row.cols-md-3 > * {
        max-width: 25%;
        flex-basis: 25%;
    }

    .col-md-offset-2 {
        margin-left: 16.66667%;
    }

    .col-md-4,
    .row.cols-md-4 > * {
        max-width: 33.33333%;
        flex-basis: 33.33333%;
    }

    .col-md-offset-3 {
        margin-left: 25%;
    }

    .col-md-5,
    .row.cols-md-5 > * {
        max-width: 41.66667%;
        flex-basis: 41.66667%;
    }

    .col-md-offset-4 {
        margin-left: 33.33333%;
    }

    .col-md-6,
    .row.cols-md-6 > * {
        max-width: 50%;
        flex-basis: 50%;
    }

    .col-md-offset-5 {
        margin-left: 41.66667%;
    }

    .col-md-7,
    .row.cols-md-7 > * {
        max-width: 58.33333%;
        flex-basis: 58.33333%;
    }

    .col-md-offset-6 {
        margin-left: 50%;
    }

    .col-md-8,
    .row.cols-md-8 > * {
        max-width: 66.66667%;
        flex-basis: 66.66667%;
    }

    .col-md-offset-7 {
        margin-left: 58.33333%;
    }

    .col-md-9,
    .row.cols-md-9 > * {
        max-width: 75%;
        flex-basis: 75%;
    }

    .col-md-offset-8 {
        margin-left: 66.66667%;
    }

    .col-md-10,
    .row.cols-md-10 > * {
        max-width: 83.33333%;
        flex-basis: 83.33333%;
    }

    .col-md-offset-9 {
        margin-left: 75%;
    }

    .col-md-11,
    .row.cols-md-11 > * {
        max-width: 91.66667%;
        flex-basis: 91.66667%;
    }

    .col-md-offset-10 {
        margin-left: 83.33333%;
    }

    .col-md-12,
    .row.cols-md-12 > * {
        max-width: 100%;
        flex-basis: 100%;
    }

    .col-md-offset-11 {
        margin-left: 91.66667%;
    }

    .col-md-normal {
        order: initial;
    }

    .col-md-first {
        order: -999;
    }

    .col-md-last {
        order: 999;
    }
}

@media screen and (min-width: 1280px) {
    .col-lg,
    [class^="col-lg-"],
    [class^="col-lg-offset-"],
    .row[class*="cols-lg-"] > * {
        box-sizing: border-box;
        flex: 0 0 auto;
        padding: 0 calc(var(--universal-padding) / 2);
    }

    .col-lg,
    .row.cols-lg > * {
        max-width: 100%;
        flex-grow: 1;
        flex-basis: 0;
    }

    .col-lg-1,
    .row.cols-lg-1 > * {
        max-width: 8.33333%;
        flex-basis: 8.33333%;
    }

    .col-lg-offset-0 {
        margin-left: 0;
    }

    .col-lg-2,
    .row.cols-lg-2 > * {
        max-width: 16.66667%;
        flex-basis: 16.66667%;
    }

    .col-lg-offset-1 {
        margin-left: 8.33333%;
    }

    .col-lg-3,
    .row.cols-lg-3 > * {
        max-width: 25%;
        flex-basis: 25%;
    }

    .col-lg-offset-2 {
        margin-left: 16.66667%;
    }

    .col-lg-4,
    .row.cols-lg-4 > * {
        max-width: 33.33333%;
        flex-basis: 33.33333%;
    }

    .col-lg-offset-3 {
        margin-left: 25%;
    }

    .col-lg-5,
    .row.cols-lg-5 > * {
        max-width: 41.66667%;
        flex-basis: 41.66667%;
    }

    .col-lg-offset-4 {
        margin-left: 33.33333%;
    }

    .col-lg-6,
    .row.cols-lg-6 > * {
        max-width: 50%;
        flex-basis: 50%;
    }

    .col-lg-offset-5 {
        margin-left: 41.66667%;
    }

    .col-lg-7,
    .row.cols-lg-7 > * {
        max-width: 58.33333%;
        flex-basis: 58.33333%;
    }

    .col-lg-offset-6 {
        margin-left: 50%;
    }

    .col-lg-8,
    .row.cols-lg-8 > * {
        max-width: 66.66667%;
        flex-basis: 66.66667%;
    }

    .col-lg-offset-7 {
        margin-left: 58.33333%;
    }

    .col-lg-9,
    .row.cols-lg-9 > * {
        max-width: 75%;
        flex-basis: 75%;
    }

    .col-lg-offset-8 {
        margin-left: 66.66667%;
    }

    .col-lg-10,
    .row.cols-lg-10 > * {
        max-width: 83.33333%;
        flex-basis: 83.33333%;
    }

    .col-lg-offset-9 {
        margin-left: 75%;
    }

    .col-lg-11,
    .row.cols-lg-11 > * {
        max-width: 91.66667%;
        flex-basis: 91.66667%;
    }

    .col-lg-offset-10 {
        margin-left: 83.33333%;
    }

    .col-lg-12,
    .row.cols-lg-12 > * {
        max-width: 100%;
        flex-basis: 100%;
    }

    .col-lg-offset-11 {
        margin-left: 91.66667%;
    }

    .col-lg-normal {
        order: initial;
    }

    .col-lg-first {
        order: -999;
    }

    .col-lg-last {
        order: 999;
    }
}