Element button pseudo-element :before generated with padding 20px box-sizing content-box z-index auto position static background height auto font-size 16px width 160px cursor default border 9px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px font-weight normal transform display block overflow hidden line-height 1 transition border-radius box-shadow 1px 1px 1px rgba(255,255,0,0.7) float none