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