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