In this Selenium CSS Selector tutorial we will learn about CSS Selector Pseudo classes first-child, last-child, nth-child and nth-last-child.
A CSS pseudo-class is a keyword added to a selector that specifies a special state of the selected web-element
first-child – Returns first element from the group of sibling elements
last-child – Returns last element from the group of sibling elements
nth-child() – Returns elements based on their position in a group of siblings nth-last-child() – Returns elements based on their position among a group of siblings, counting from the end.