Element block pseudo-class :active generated with height auto position static transition border 0px rgba(0,0,0,1) solid float none font-weight normal box-shadow 2px 2px 2px rgba(0,0,0,0.5) width auto text-shadow cursor default display block z-index auto box-sizing content-box border-radius font-size 16px overflow visible margin 0px padding 0px background transform line-height 1