In this video, you will see how to change the themes of your Gmail account? some steps are mentioned in this video with the short explanation. So, see this video and do your work quickly. But still, if you are facing any difficulties in this process then you can contact Gmail technical support. We are here for assist you with our trained technician team. For more information, you can contact our Gmail Technical Support Number +(61)283206011 or visit our website: http://gmail.supportnumberaustralia.com.au/