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我試圖將一個列表分成2個獨立的列垂直均勻，並繼續編號。我正在使用content: counter()，counter-reset和counter-increment。計數器確實從下一個數字開始計數，但不會繼續計數，但會再次重複相同的數字。ol開始計數器與css內容計數器不計數
ol.rectangle-list {
counter-reset: li;
list-style: none;
*list-style: decimal;
font: 15px 'trebuchet MS', 'lucida sans';
padding: 0;
margin-bottom: 4em;
text-shadow: 0 1px 0 rgba(255, 255, 255, .5);
}
ol.rectangle-list ol {
margin: 0 0 0 2em;
/* Add some left margin for inner lists */
}
.rectangle-list a {
position: relative;
display: block;
padding: .4em .4em .4em .8em;
*padding: .4em;
margin: .5em 0 .5em 2.5em;
background: #ddd;
color: #444;
text-decoration: none;
transition: all .3s ease-out;
}
.rectangle-list a:hover {
background: #eee;
}
.rectangle-list a:before {
content: counter(li);
counter-increment: li;
position: absolute;
left: -2.5em;
top: 50%;
margin-top: -1em;
background: #fa8072;
height: 2em;
width: 2em;
line-height: 2em;
text-align: center;
font-weight: bold;
}
.rectangle-list.start-4 a:before {
counter-reset: li 3;
content: counter(li);
counter-increment: li;
position: absolute;
left: -2.5em;
top: 50%;
margin-top: -1em;
background: #fa8072;
height: 2em;
width: 2em;
line-height: 2em;
text-align: center;
font-weight: bold;
}
.rectangle-list a:after {
position: absolute;
content: '';
border: .5em solid transparent;
left: -1em;
top: 50%;
margin-top: -.5em;
transition: all .3s ease-out;
}
.rectangle-list a:hover:after {
left: -.5em;
border-left-color: #fa8072;
}<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>
<div class="row">
<div class="col-xs-2">
<ol class="rectangle-list">
<li><a href="">1</a></li>
<li><a href="">2</a></li>
<li><a href="">3</a></li>
</ol>
</div>
<div class="col-xs-2">
<ol class="rectangle-list start-4">
<li><a href="">4</a></li>
<li><a href="">5</a></li>
<li><a href="">6</a></li>
</ol>
</div>