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