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