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