$susy: (
    columns: 12,
    gutters: 1 / 10,
    math: fluid,
    output: float,
    gutter-position: after,
    global-box-sizing: border-box
);


.g-grid__column-eight {
    @include span(8);
}


.g-grid__column-four {
    @include span(4);
}


.g-grid__row {
    &::after {
        clear: both;
        content: ' ';
        display: table;
    }
}