Element block pseudo-element :before generated with z-index auto padding 27px border 0px rgba(0,0,0,1) solid cursor default overflow hidden text-shadow -1px -1px 0px rgba(255,255,255,0.2) float none margin 0px border-radius box-shadow 1px 1px 4px rgba(0,0,0,0.2) font-size 16px height auto line-height 1 transition transform width 160px display block background position static font-weight normal box-sizing content-box