themes-wordpress/blockbase/sass/blocks/_search.scss

@import 'button-mixins';

.wp-block-search {

	&.wp-block-search__button-inside {
		.wp-block-search__inside-wrapper{
			padding: var(--wp--custom--form--padding);
			border: var(--wp--custom--form--border--width) var(--wp--custom--form--border--style) var(--wp--custom--form--border--color);
			border-radius: var(--wp--custom--form--border--radius);
			.wp-block-search__input {
				padding: 0;
			}
		}
	}

	.wp-block-search__input {
		padding: var(--wp--custom--form--padding);
		border: var(--wp--custom--form--border--width) var(--wp--custom--form--border--style) var(--wp--custom--form--border--color);
	}

	&.wp-block-search__button-inside .wp-block-search__inside-wrapper .wp-block-search__button,
	.wp-block-search__button {
		@include button-main-styles;
		@include button-hover-styles;
		&.has-icon {
			line-height: 0;
		}
	}

}