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