Element block pseudo-element :before generated with background box-shadow 1px 1px 1px rgba(0,0,0,0.3) box-sizing content-box transform border-radius margin 0px cursor default text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block line-height 1 font-size 16px float none transition overflow hidden border 0px rgba(0,0,0,1) solid height auto z-index auto position static width 160px padding 100% font-weight normal