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