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