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