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