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