wp-content/themes/twentytwelve/inc/custom-header.php:108Styles the header image displayed on the Appearance > Header admin panel.
function twentytwelve_admin_header_style() { ?> <style id="twentytwelve-admin-header-css"> .appearance_page_custom-header #headimg { border: none; font-family: "Open Sans", Helvetica, Arial, sans-serif; } #headimg h1, #headimg h2 { line-height: 1.84615; margin: 0; padding: 0; } #headimg h1 { font-size: 26px; } #headimg h1 a { color: #515151; text-decoration: none; } #headimg h1 a:hover { color: #21759b !important; /* Has to override custom inline style. */ } #headimg h2 { color: #757575; font-size: 13px; margin-bottom: 24px; } #headimg img { max-width: <?php echo get_theme_support( 'custom-header', 'max-width' ); ?>px; } </style> <?php}Introduced in Twenty Twelve 1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-content/themes/twentytwelve/inc/custom-header.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.