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