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