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