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