Border style do not work with sticky position element

Question

I don\'t know why my border style do not work with position: sticky; attribute. I would like to set border styles on my sticky table header. But I don\'t want t

Answer 1

Use ::after pseudo selector to emulate, lets say, right border

Example:

th::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  border-right: 1px solid #e7e7e7;
}