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