silverstripe-webpack/app/client/src/scss/_layout.scss

/**
 * Your custom style
 */

// shrink elements on scroll
body.shrink {}

// sticky footer
html, body {
    height: 100%;
    min-height: 100%;
}

.wrapper {
    min-height: 100%;
    padding-top: 7.4rem;
    padding-bottom: 2rem;
}

.site-footer {
    height: 2rem;
    margin-top: -2rem;
    line-height: 2rem;
}

// element col paddings
.col-block {
    padding: $grid-gutter-height / 4;
}