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