After left clicking on the background you will get two tabs Normal and Hoover. Here you can edit your divider in two ways classic or gradient. In both ways you can add text background image, image position on the back top (left, center, right), center (left, center, right), bottom(left, center, right) and also can edit image attachment, repetition, size and color.
In the Border tab you can edit the border of your divider in two modes(Normal, Hover). In both modes you will get the different types of border options(Solid, Double, Dotted, Dashed, Groove) and you can give the border radius, box shadow(horizontal, vertical, blur, spread and the position(inline and outline)). You can also add custom positioning, responsive and custom css.