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