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