silverstripe-webpack/app/client/src/scss/layout/base.scss

/**
 * Your custom style
 */

body {
}

/*#MainContent {
	padding-top: 2 * $element-reduced-spacer-y;
	padding-bottom: 2 * $element-reduced-spacer-y;
}*/


#PageBreadcumbs {
    padding-bottom: 0;
    margin-bottom: -2rem;
}