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