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