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