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