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