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