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