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