div {
  background: #000;
  color: #fff
}

/* combo with semi */
p {
  margin:0;
  background-color:#ccc;
}

/* single line */
h1 {font-size:100%;border-color:rgb(1,2,3);}

/* more single line */
p {padding:0;}h1 {padding:0;}

@import url("imported_selectors.css");