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