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