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