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