The image displays a graphic representation of the periodic table, with the elements "Er" and "D" highlighted. The "Er" element is highlighted in a larger font size and is positioned to the left of the "D" element. The "Er" element is labeled with the atomic number "68," and the "D" element is labeled with the atomic number "66." The background of the image is white, and the text is in black, providing a clear contrast. The style of the image is simple and graphic, with a focus on the elements and their atomic numbers.