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