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