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