Element block pseudo-class :active generated with float none height auto border-radius padding 20px display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-weight normal border 0px rgba(0,0,0,1) solid cursor default transition text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 6px overflow hidden transform line-height 1 background box-sizing content-box z-index auto position static font-size 16px width 160px