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