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