aside {
    display: block;
}
.article-contents-ss {
    counter-reset: li; 
    list-style: none; 
    font-size: 16px;
    padding: 0;
    text-shadow: 0 1px 0 rgba(255,255,255,.5);
}
.content .article-contents-ss ul {
   padding-left: 0;
   margin-top: 30px;
   margin-bottom: 40px;
}
.article-contents-ss li {
   margin-bottom: 10px;
}
.content .article-contents-ss ul:not([class]) li:before {
    display: none;
}
.article-contents-ss a {
    position: relative;
    display: block;
    padding: .4em .4em .4em .8em;
    margin: .5em 0 .5em 2.5em;
    background: #efefef;
    color: #444;
    text-decoration: none;
    transition: all .3s ease-out;
}
.article-contents-ss a:hover {background: #DCDDE1;}       
.article-contents-ss a:before {
    content: counter(li);
    counter-increment: li;
    position: absolute;
    left: -2.5em;
    top: 50%;
    margin-top: -1em;
    background: #ea5e20;
    height: 2em;
    width: 2em;
    line-height: 2em;
    text-align: center;
    font-weight: bold;
    color: #fff;
}
.article-contents-ss a:after {
    position: absolute;
    content: "";
    border: .5em solid transparent;
    left: -1em;
    top: 50%;
    margin-top: -.5em;
    transition: all .3s ease-out;
}
.article-contents-ss a:hover:after {
    left: -.5em;
    border-left-color: #ea5e20;
}