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