namespacing-1.css

.foo {
  color1: red;
  color2: yellow;
  color3: red;
  color4: yellow;
  color5: red;
  prop: uno;
  var: dos;
  sub: tres;
}
#ns1 {
  foo: bar;
}
#ns1 {
  foo: uno;
}
.button {
  color: grey;
  border-color: #AAA #CCC;
}