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