Element block pseudo-class :active generated with z-index auto padding 20px cursor default display block background box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-weight normal border 0px rgba(0,0,0,1) solid position static font-size 16px margin 0px border-radius overflow hidden transform line-height 1 float none text-shadow 3px 3px 3px rgba(0,0,0,0.2) height auto width 160px transition box-sizing content-box