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