Element button pseudo-element :before generated with box-sizing content-box position static margin 0px transform font-size 80px display block padding 0px float none border 0px rgba(0,0,0,1) solid line-height normal font-weight normal border-radius overflow visible text-shadow -1px -1px 1px rgb(255,255,255) cursor default opacity 0.37 width auto background box-shadow height auto outline none transition z-index auto