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