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