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