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