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