themes-wordpress/calm-business/sass/site/primary/_archives.scss

.archive .page-header,
.search .page-header,
.error404 .page-header {

	margin: $size__spacing-unit $size__spacing-unit calc(3 * #{$size__spacing-unit});

	@include media(tablet) {
		margin: 32px auto;
		max-width: $size__site-tablet-content;
	}

	@include media(desktop) {
		max-width: $size__site-desktop-content;
	}

	.page-title {

		color: $color__text-main-alt;
		display: inline;
		letter-spacing: normal;
		font-weight: $font__weight_semi_bold;

		&:before {
			display: none;
		}
	}

	.search-term,
	.page-description {
		display: inherit;
		clear: both;

		&:after {
			content: ".";
			font-weight: bold;
			color: $color__text-light;
		}
	}
}

.archive .page-header .page-description, .search .page-header .page-description  {
	display: block;
	color: $color__text-main;
	font-size: 1em;
	font-weight: $font__weight_semi_bold;
}

.hfeed .entry .entry-header {

	@include media(tablet) {
		margin: calc(3 * 1rem) auto calc(1rem / 2);
		max-width: $size__site-tablet-content;
	}

	@include media(desktop) {
		max-width: $size__site-desktop-content;
	}
}

/* 404 & Not found */

.error-404.not-found,
.no-results.not-found {

	.page-title,
	.page-content {

		margin: calc(3 * #{$size__spacing-unit}) #{$size__spacing-unit};

		@include media(tablet) {
			margin: 32px auto;
			max-width: $size__site-tablet-content;
		}

		@include media(desktop) {
			max-width: $size__site-desktop-content;
		}
	}

	.search-submit {
		vertical-align: middle;
		margin: $size__spacing-unit 0;
	}

	.search-field {
		width: 100%;
	}
}