Element block pseudo-element :after generated with z-index auto font-weight normal line-height 1 transition overflow hidden padding 20px display block border 0px rgba(0,0,0,1) solid font-size 16px margin 0px background border-radius position static transform height auto float left width 160px box-sizing border-box cursor default box-shadow 1px 1px 1px rgba(0,0,0,0.3) text-shadow 1px 1px 1px rgba(0,0,0,0.2)