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