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