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