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