_blocks.scss

/* Button
--------------------------------------------- */

.wp-block-button {

	.wp-block-button__link {
		border-radius: 0;
		font-weight: 700;
		font-size: 16px;
		line-height: 18px;
		padding: 20px 24px;

		&:hover {
			background: darken( $highlight, 10% );
			text-decoration: none;
		}

	}
}