nth-child

by Petra1999

HTML

<div>
  <a>1</a>
  <a>2</a>
  <a>3</a>
  <a>4</a>
  <a>5</a>
  <a>6</a>
  <a>7</a>
  <a>8</a>
  <a>9</a>
</div>

CSS

a:nth-child(2n+2){
  background-color:lightblue;
}

a:nth-child(4n+1){
  background-color:pink;
}




/* aaaaa */

a {
  display:inline-block;
  width:30px;
  height:30px;
  margin-right:20px;
  background-color:#efefef;
}