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