style.css

/**
 * Theme Name: Publishing
 * Theme URI: https://profiles.wordpress.org/alamgircsebd
 * Version: 0.0.1
 * Descriptions: This is my first block theme.
 * Tags: blog, gallary
 * Author: Alamgir Hossain
 * Author URI: https://github.com/alamgircsebd
 * License: GPLV2 or latter
 * Text Domain: publishing
 * Requires at least: 5.9
 * Tested up to: 5.9
 * Requires PHP: 5.6
 */

 /*
 * Font smoothing.
 * This is a niche setting that will not be available via Global Styles.
 * https://github.com/WordPress/gutenberg/issues/35934
 */

 body {
	-moz-osx-font-smoothing: grayscale;
	-webkit-font-smoothing: antialiased;
}

/*
 * Text and navigation link styles.
 * Necessary until the following issue is resolved in Gutenberg:
 * https://github.com/WordPress/gutenberg/issues/27075
 */

a {
	text-decoration-thickness: 1px;
	text-underline-offset: 0.25ch;
}

a:hover,
a:focus {
	text-decoration-style: dashed;
}

a:active {
	text-decoration: none;
}

.wp-block-navigation .wp-block-navigation-item a:hover,
.wp-block-navigation .wp-block-navigation-item a:focus {
	text-decoration: underline;
	text-decoration-style: solid;
}

.my-block-theme-header {
	padding-top: 2rem;
	padding-bottom: 2rem;
}

/*
 * Search and File Block button styles.
 * Necessary until the following issues are resolved in Gutenberg:
 * https://github.com/WordPress/gutenberg/issues/36444
 * https://github.com/WordPress/gutenberg/issues/27760
 */

.wp-block-search__button,
.wp-block-file .wp-block-file__button {
	background-color: var(--wp--preset--color--primary);
	border-radius: 0;
	border: none;
	color: var(--wp--preset--color--background);
	font-size: var(--wp--preset--font-size--medium);
	padding: calc(.667em + 2px) calc(1.333em + 2px);
}

/*
 * Button hover styles.
 * Necessary until the following issue is resolved in Gutenberg:
 * https://github.com/WordPress/gutenberg/issues/27075
 */

.wp-block-search__button:hover,
.wp-block-file .wp-block-file__button:hover,
.wp-block-button__link:hover {
	opacity: 0.90;
}

/*
 * Alignment styles.
 * These rules are temporary, and should not be relied on or
 * modified too heavily by themes or plugins that build on
 * Twenty Twenty-Two. These are meant to be a precursor to
 * a global solution provided by the Block Editor.
 *
 * Relevant issues:
 * https://github.com/WordPress/gutenberg/issues/35607
 * https://github.com/WordPress/gutenberg/issues/35884
 */

.wp-site-blocks,
body > .is-root-container,
.edit-post-visual-editor__post-title-wrapper,
.wp-block-group.alignfull,
.wp-block-group.has-background,
.wp-block-cover.alignfull,
.is-root-container .wp-block[data-align="full"] > .wp-block-group,
.is-root-container .wp-block[data-align="full"] > .wp-block-cover {
	padding-left: var(--wp--custom--spacing--outer);
	padding-right: var(--wp--custom--spacing--outer);
}

.wp-site-blocks .alignfull,
.wp-site-blocks > .wp-block-group.has-background,
.wp-site-blocks > .wp-block-cover,
.wp-site-blocks > .wp-block-template-part > .wp-block-group.has-background,
.wp-site-blocks > .wp-block-template-part > .wp-block-cover,
body > .is-root-container > .wp-block-cover,
body > .is-root-container > .wp-block-template-part > .wp-block-group.has-background,
body > .is-root-container > .wp-block-template-part > .wp-block-cover,
.is-root-container .wp-block[data-align="full"] {
	margin-left: calc(-1 * var(--wp--custom--spacing--outer)) !important;
	margin-right: calc(-1 * var(--wp--custom--spacing--outer)) !important;
	width: unset;
}

/* Blocks inside columns don't have negative margins. */
.wp-site-blocks .wp-block-columns .wp-block-column .alignfull,
.is-root-container .wp-block-columns .wp-block-column .wp-block[data-align="full"],
/* We also want to avoid stacking negative margins. */
.wp-site-blocks .alignfull:not(.wp-block-group) .alignfull,
.is-root-container .wp-block[data-align="full"] > *:not(.wp-block-group) .wp-block[data-align="full"] {
	margin-left: auto !important;
	margin-right: auto !important;
	width: inherit;
}

/*
 * Responsive menu container padding.
 * This ensures the responsive container inherits the same
 * spacing defined above. This behavior may be built into
 * the Block Editor in the future.
 */

.wp-block-navigation__responsive-container.is-menu-open {
	padding-top: var(--wp--custom--spacing--outer);
	padding-bottom: var(--wp--custom--spacing--large);
	padding-right: var(--wp--custom--spacing--outer);
	padding-left: var(--wp--custom--spacing--outer);
}