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