themes-wordpress/iotix/parts/header.html

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<div class="wp-block-group" style="padding-bottom:var(--wp--preset--spacing--70)"><!-- wp:group {"align":"wide","style":{"spacing":{"padding":{"top":"var:preset|spacing|70","right":"0","bottom":"var:preset|spacing|60","left":"0"}}},"layout":{"type":"flex","flexWrap":"nowrap","justifyContent":"space-between"}} -->
<div class="wp-block-group alignwide" style="padding-top:var(--wp--preset--spacing--70);padding-right:0;padding-bottom:var(--wp--preset--spacing--60);padding-left:0"><!-- wp:site-title /-->

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<div class="wp-block-group" style="padding-top:0;padding-right:0;padding-bottom:0;padding-left:0"><!-- wp:navigation {"layout":{"type":"flex","justifyContent":"left","orientation":"horizontal"}} /-->

<!-- wp:buttons -->
<div class="wp-block-buttons"><!-- wp:button {"fontSize":"small"} -->
<div class="wp-block-button has-custom-font-size has-small-font-size"><a class="wp-block-button__link wp-element-button">Sign In</a></div>
<!-- /wp:button --></div>
<!-- /wp:buttons --></div>
<!-- /wp:group --></div>
<!-- /wp:group --></div>
<!-- /wp:group -->