nth-child屬性用於三列布局設計？

Question

如何將nth-child屬性實現為帖子循環顯示的三列布局。

現在我想指定nth-child屬性

1st,4th,7th,10th,13th child respectively and so
and
2nd,5th,8th,11th,14th child respectively and so on 
and 
3rd,6th,9th,12th ,15th child respectively and so on 

用於不同的CSS

Answer 1

您可以像這樣使用nth-child 。 我將其全部用作演示中的div。

HTML：

<div>1</div><div>2</div><div>3</div>
<div>4</div><div>5</div><div>6</div>
<div>7</div><div>8</div><div>9</div>
<div>10</div><div>11</div><div>12</div>
<div>13</div><div>14</div><div>15</div>

CSS：

div {width:33%; background:grey; height:50px; float:left;}
div:nth-child(3n-1){background:green;}
div:nth-child(3n){background:blue;}

DEMO

Answer 2

假設所有孩子都是li，則可以這樣使用nth-child 。

CSS代碼：

ul > li:nth-child(3n+1){
   /*whatever your property may be*/
  background-color:orange;    
}

ul > li:nth-child(3n+2){

   background-color:white;    
}

ul >li:nth-child(3n){    
   background-color:green;
}

JS菲德爾