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