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