Element block pseudo-element :after generated with margin 0px overflow hidden transition float none height auto transform border 0px rgba(0,0,0,1) solid cursor default box-shadow 1px 1px 1px rgba(0,0,0,0.3) background padding 20px border-radius line-height 1 font-size 16px display block z-index auto box-sizing content-box position static width 160px font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2)