This Marvel-themed wallpaper is a website extension that lets you apply and customize this to your tabs. Also, you don't have to worry about the resolution of these images because they are set in high definition to avoid any pixelated images. 

Moreover, this web extension does not obstruct or slow down the performance when in use. Still, you can operatively use the search bar just like the usual. In addition, there are added features when downloading this. It includes a panel that offers access to current news on YouTube. Lastly, you can still access the wallpaper without connecting to the internet.