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