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