wp-signup.php:64Prints styles for front-end Multisite Sign-up pages.
function wpmu_signup_stylesheet() { ?> <style> .mu_register { width: 90%; margin: 0 auto; text-align: start; padding: 24px; box-sizing: border-box; } .mu_register p { font-size: 18px; } .mu_register form { margin: 24px 0; } .mu_register fieldset, .mu_register legend { margin: 0; padding: 0; border: none; } .mu_register .error { padding: 10px; color: #333; background: #ffebe8; border: 1px solid #c00; } .mu_register input[type="submit"], .mu_register #blog_title, .mu_register #user_email, .mu_register #blogname, .mu_register #user_name { width: 100%; font-size: 24px; margin: 5px 0; box-sizing: border-box; } .mu_register input[type="email"], .mu_register #user_name { direction: ltr; } .mu_register #site-language { display: block; } .mu_register .prefix_address, .mu_register .suffix_address { font-size: 18px; display: inline-block; direction: ltr; } .mu_register label, .mu_register legend, .mu_register .label-heading { font-weight: 600; font-size: 15px; display: block; margin: 10px 0; } .mu_register legend + p, .mu_register input + p { margin-top: 0; } .mu_register label.checkbox { display: inline; } .mu_register .mu_alert { font-weight: 600; padding: 10px; color: #333; background: #ffffe0; border: 1px solid #e6db55; } .mu_register .mu_alert a { color: inherit; text-decoration: underline; } .mu_register .signup-options .wp-signup-radio-button { display: block; } .mu_register .privacy-intro .wp-signup-radio-button { margin-right: 0.5em; } .rtl .mu_register .wp-signup-blogname { direction: ltr; text-align: right; } </style> <?php}Introduced in MU (3.0.0). Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-signup.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.