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