hugo-theme-zzo/assets/sass/layout/_grid.scss

$grid_max: $grid_max_width + $grid_max_unit;
$grid_main_main: $grid_main_main_width + $grid_main_main_unit;
$grid_main_side: $grid_main_side_width + $grid_main_side_unit;
$grid_column_gap: $grid_column_gap_width + $grid_column_gap_unit;

.wrapper {
    display: grid;
    max-width: $grid_max;
    justify-content: center;
    grid-template-columns: minmax(350px, $grid_main_main) minmax(calcSideWidth(), $grid_main_side);
    grid-template-rows: $grid_navbar_height auto 1fr auto;
    grid-column-gap: $grid_column_gap;
    grid-row-gap: $grid_row_gap;

    @media only screen and (max-width: 769px) {
        grid-template-columns: minmax(0, $grid_main_main) minmax(0, $grid_main_side);
    }
}

.header-main {
    grid-area: 2 / 1 / 3 / 2;
}

.header-side {
    grid-area: 2 / 2 / 3 / 3;
}

.header {
    grid-area: 2 / 1 / 3 / 3;
}

.main-main {
    grid-area: 3 / 1 / 4 / 2;
}

.main-side {
    grid-area: 3 / 2 / 4 / 3;
}

.main {
    grid-area: 3 / 1 / 4 / 3;
}

.footer-main {
    grid-area: 4 / 1 / 5 / 2;
}

.footer-side {
    grid-area: 4 / 2 / 5 / 3;
}

.footer {
    grid-area: 4 / 1 / 5 / 3;
}

.navbar-main {
    grid-area: 1 / 1 / 2 / 2;
}

.navbar-side {
    grid-area: 1 / 2 / 2 / 3;
}

.navbar {
    grid-area: 1 / 1 / 2 / 3;
}