/* This is a CSS comment. */
.one {
  color: green;
}

/* Another comment */
/* The following should not be used:
.two {color: red;} */
.three {
  color: green;
  /* color: red; */
}

/**
.four {color: red;} */
.five {
  color: green;
}

/**/
.six {
  color: green;
}

/*********/
.seven {
  color: green;
}

/* a comment **/
.eight {
  color: green;
}