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