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