Element block pseudo-class :active generated with border 3px rgba(0,0,0,1) solid float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block transition z-index auto line-height 1 height auto box-sizing content-box background position static cursor default border-radius font-weight normal transform overflow hidden padding 20px width 160px box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 0px font-size 16px