oficinasuport-wp-theme/sass/layouts/_no-sidebar.scss

.no-sidebar {

	.site {
		display: grid;
		grid-template-columns: auto;
		grid-template-areas:
			"header"
			"main"
			"footer";
    margin: auto;
		padding: 0 3rem;
		max-width: 51em;
	}
	.site-header {
		.main {
		  display:flex;
		  align-items: center;
		  justify-content: space-between;
		}
		.secondary {
		  display:flex;
		  justify-content: center;
			border-top: 1px solid $color__grey-light;
		}
	}
}