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