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