Magento 2 GDPR Cookie Consent pop-up is fully customizable.
Magento 2 GDPR Cookie Consent allows admins to change the content, colors, button text, layout, and display of cookie categories as per their requirements. With HTML and CSS support, this pop-up can be designed to match the website branding. Moreover, the consent button, “decline” option, and category management can also be controlled. This gives the user a clear and attractive interface.
Check out more details at: https://webkul.com/blog/gdpr-magento2/