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