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