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