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