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