After updates on its Android Apps, Now its time for web versions of the Google Docs, Sheets and Spreadsheets to taste Material Design. Today, Google has updated the Web interface of all these three products and is available for all users.
Google will ask you to opt in for new design and is sharing the short urls to directly go to these apps. If you want to access all the products at one Place then you need to head over to the Google Drive which also have received new design.
New fresh design of these products looks great and Google used Blue color for Docs, Green for Spreadsheets and Yellow for Slides. You can have all the great new look by just clicking the above links.