Element block pseudo-class :active generated with margin 0px line-height 1 z-index auto font-weight normal width 160px border-radius display block overflow hidden position static background padding 20px float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-sizing content-box height auto font-size 16px border 2px rgba(0,0,0,1) solid transition cursor default transform box-shadow 1px 1px 1px rgba(0,0,0,0.3)