Veined octopus in a giant clam shell, Sulawesi Sea, Indonesia (© Alex Mustard/Minden Pictures)
Brown bears fishing for salmon at Brooks Falls, Katmai National Park, Alaska (© oksana.perkins/Shutterstock)
Taughannock Falls State Park in Trumansburg, New York (© Paul Massie Photography/Getty Images)
Responsive design is a well-established practice of creating designs that adapt to different screen sizes.