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