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