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