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