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