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