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