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