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