themes-wordpress/professional-business/sass/site/header/_site-header.scss

// Site header

.site-header {
	padding: 1rem;

	&.featured-image {
		display: flex;
		flex-direction: column;
		justify-content: space-between;
		min-height: 90vh;

		.site-branding-container {
			margin-bottom: auto;
		}
	}

	@include media(tablet) {
		margin: 0;
		padding: 2rem 0;

		&.featured-image {
			min-height: 100vh;
			margin-bottom: 3rem;
		}
	}
}

// Site branding

.site-branding {

	display: flex;
	flex-wrap: wrap;
	align-items: flex-start;
	justify-content: space-between;

	color: $color__text-light;
	position: relative;

	@include media(tablet) {
		margin: 0 $size__site-margins;
	}}

// Site logo

.site-logo {
	margin-right: $size__spacing-unit;

	.custom-logo-link {
		box-sizing: content-box;
		display: block;
		overflow: hidden;

		.custom-logo {
			max-height: 60px;
			width: auto;
		}
	}
}

.site-title,
.wp-block-a8c-site-title,
.wp-block-a8c-site-title:focus {
	color: $color__text-main;
	font-size: $font__size-md;
	flex: 1 1 auto;
	margin: 0;

	a {
		color: $color__text-main;

		&:link,
		&:visited {
			color: $color__text-main;
		}

		&:hover {
			color: $color__text-hover;
		}
	}

	.featured-image & {
		margin: 0;
	}
}

/* Adjust Crimson Text font vertical alignment in Firefox */
@-moz-document url-prefix() {
	.site-title,
	.wp-block-a8c-site-title,
	.wp-block-a8c-site-title:focus {
		padding-top: 8px;
	}
}

// Site description

.site-description,
.wp-block-a8c-site-description,
.wp-block-a8c-site-description:focus {
	color: $color__text-main;
	flex: initial;
	font-size: $font__size-xs;
	font-weight: normal;
	margin: 7px 0 0;


	@include media(tablet) {
		text-align: right;
	}
}