woocommerce/plugins/woocommerce-admin/client/stylesheets/shared/_reset.scss

/** @format */
// css resets some wp-admin specific rules so that the app fits better in the extension container
.woocommerce-page {
	.wrap {
		margin: 0;
	}

	#wpcontent,
	#wpbody-content {
		padding: 0;
		overflow-x: hidden !important;
	}

	@include breakpoint( '<782px' ) {
		// WP breakpoint for mobile menu
		.wp-responsive-open #wpbody {
			right: -14.5em;
		}
	}

	@include breakpoint( '>960px' ) {
		#toplevel_page_woocommerce.menu-top > a:focus,
		#toplevel_page_wcadmin--analytics.menu-top > a:focus {
			padding-bottom: 1px;
		}
	}

	.wp-has-current-submenu::after {
		right: 0;
		border: 8px solid transparent;
		content: ' ';
		height: 0;
		width: 0;
		position: absolute;
		pointer-events: none;
		border-right-color: #f1f1f1;
		top: 0;
		margin-top: 10px;

		@include breakpoint( '<960px' ) {
			border-width: 4px;
			margin-top: 14px;
		}
	}
}

.woocommerce-layout * {
	box-sizing: border-box;
}

#wpfooter {
	display: none;
}

.wp-responsive-open {
	.woocommerce-layout__header {
		margin-left: 2px;
	}

	@include breakpoint( '<782px' ) {
		.woocommerce-layout__activity-panel-wrapper.is-open,
		.woocommerce-layout__activity-panel-tabs {
			width: calc(100vw - 190px);
		}
	}
}

@include breakpoint( '<600px' ) {
	#wpadminbar,
	.jetpack-masterbar #wpadminbar {
		position: fixed;
	}
}

// Temporary fix for compability with the Jetpack masterbar
// See https://github.com/Automattic/jetpack/issues/9608
// !important rules overwrite some existing !important rules
.jetpack-masterbar {
	@include breakpoint( '<782px' ) {
		&.wp-admin .wrap h1 {
			padding-left: 0;
		}

		#wpadminbar li.menupop.my-sites {
			margin-left: 55px;
		}

		#wpadminbar #wp-admin-bar-menu-toggle {
			top: -5px;
			left: -5px;
			width: 60px;

			.ab-icon::before {
				color: $white;
			}

			a {
				padding: 0 8px 4px 8px !important;
			}

			a:hover {
				background: #333;
			}
		}

		.wp-responsive-open #wpadminbar #wp-admin-bar-menu-toggle {
			left: -5px;
			width: 60px;

			.ab-icon::before {
				color: $white !important;
			}

			a {
				background: #333;
			}
		}
	}
}