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