css - Adding background image for Bootstrap list-group-item -

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i have sprite i'm able display per each list-group-item. however, i'm not able individually style each image .one, .two etc.

<div class="list-group">     <a href="#" class="list-group-item one">one</a>     <a href="#" class="list-group-item two">two</a>           <span class="list-group-item three">share <span class="fb"><!--display fb icon--></span></span> </div>

less: place text on left, align image on right side, works. want style individual images within each .list-group-item. images repeat themselves, have position them on center of each anchor tag, , display pixel parts. 

.list-group-item {     width:100%     height: 50px;     float: left;     overflow: hidden;     text-align:left;     background: url("sprite.png") right no-repeat; } .one { top:0; left:-15px;}

i tried adding images explicitly, this:

<div class="list-group">     <a href="#" class="list-group-item one">one<span class="img"></span></a>     <a href="#" class="list-group-item two">two<span class="img"></span></a>              <span class="list-group-item three">follow <span class="fb"><!--display fb icon--></span>/span> </div>

how can work?

i don't know want achieve supposed this:

.img{      float:right;      display:inline-block;      height: 44px;                /*defines height portion of image want use*/      background: url('http://www.w3schools.com/css/img_navsprites.gif') 0 0;  }  #one{      width: 46px;                   /*defines width portion of image want use*/      background-position: 0 0;      /*defines background position (left 0px, top 0px)*/  }  #two{      width: 43px;      background-position: -47px 0;  /*defines background position 47px right (#one width 46px + 1px line divider)*/  }  #three{      width: 43px;      background-position: -91px 0;  /*defines background position 91px right (#home width 46px + 1px line divider + #two width 43px + 1px line divider )*/  }    .list-group-item{      overflow: hidden;  }
<link href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css" rel="stylesheet"/>  <div style="margin-bottom: 50px; text-align:center">      lets use image:      <img src="http://www.w3schools.com/css/img_navsprites.gif" alt="">  </div>    <div class="list-group">       <a href="#" class="list-group-item">one<span id="one"  class="img"></span></a>      <a href="#" class="list-group-item">two<span id="two" class="img"></span></a>       <a href="#" class="list-group-item">three<span id="three" class="img"></span></a>   </div>

so have move background position change portion of image want see.

here full example

anyway recommend use css sprite generator.


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