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