td {
    white-space: nowrap;
}
ol {
    counter-reset: li;
    /* 创建一个计数器 */
    list-style: none;
    /* 清除列表默认的编码*/
    *list-style: decimal;
    /* 让IE6/7具有默认的编码 */
    font: 14px 'trebuchet MS', 'lucida sans';
    padding: 0;
    margin-bottom: 4em;
    text-shadow: 0 1px 0 rgba(255, 255, 255, .5);
}
ol ol {
    margin: 0 0 0 2em;
}
.rounded-list li {
    position: relative;
    display: block;
    padding: 0.4em 0.4em 0.4em 2em;
    *padding: 0.4em;
    /*for ie6/7*/
    margin: 0.5em 0;
    background: #ddd;
    color: #444;
    text-decoration: none;
    /*CSS3属性*/
    border-radius: 0.3em;
    /*制作圆角*/
    /* transition动画效果*/
    -moz-transition: all 0.3s ease-out;
    -webkit-transition: all 0.3s ease-out;
    -o-transition: all 0.3s ease-out;
    -ms-transition: all 0.3s ease-out;
    transition: all 0.3s ease-out;
}

.rounded-list li:hover {
    background: #eee;
}

.rounded-list li:hover::before {
    -moz-transform: rotate(360deg);
    -webkit-transform: rotate(360deg);
    -o-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    transform: rotate(360deg);
}

.rounded-list li::before {

    content: counter(li);
    counter-increment: li;

    position: absolute;
    left: -1.3em;
    top: 50%;
    margin-top: -1.3em;
    background: #87ceeb;
    height: 2em;
    width: 2em;
    line-height: 2em;
    border: 0.3em solid #fff;
    text-align: center;
    font-weight: bold;
    border-radius: 2em;
    -webkit-transition: all 0.3s ease-out;
    -moz-transition: all 0.3s ease-out;
    -ms-transition: all 0.3s ease-out;
    -o-transition: all 0.3s ease-out;
    transition: all 0.3s ease-out;
} 

.subTitle{width:98%;padding:1%;background:#fff;}
h3.subTitle{border-left:5px solid #169FE6;background:#ddd;width:70%;margin:15px 8px;display:block;line-height:30px;text-indent:15px;} 

.git-link {
    z-index: 100;
    position: fixed;
    top: 0;
    right: 0;
    border: 0;
    height: 149px;
    width: 149px;
    transform: rotate(90deg);
    -webkit-transform: rotate(90deg);
    -moz-transform: rotate(90deg);
    -o-transform: rotate(90deg);
    -ms-transform: rotate(90deg);
    background-image: url(https://github.blog/wp-content/uploads/2008/12/forkme_left_darkblue_121621.png?resize=149%2C149);
}