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