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