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