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