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