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