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