.history {
    padding-top: 100px;
    position: relative;
}

.history .dot {
    position: absolute;
    left:0;
    top:0;
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #237f7f;
}

.history h1 {
    font-size: 28px;
    color: #444;
    font-weight: bold;
    margin-bottom: 14px;
    margin-bottom: 30px;
    text-align: center;
}

.history ul {
    background: url(../images/bg_history_1.gif) repeat-y center top;
}

.history ul li {
    clear:both;
    width: 50%;
    float: left;
    background: url(../images/bg_history_2.gif) repeat-x center 26px;
}

.history ul li.right {
    float: right;
}

.history ul li .titles {
    font-size: 18px;
    line-height: 26px;
    font-weight: bold;
    background: #fff;
}
.history ul li.left .titles {
    margin-right: 120px;
    text-align: right;
}
.history ul li.right .titles {
    margin-left: 120px;
}

.history ul li .content {
    color: #666;
    line-height: 26px;
    font-size: 16px;
    margin-top: 10px;
}

.history ul li.left .content {
    margin-right: 120px;
}

.history ul li.right .content {
    margin-left: 120px;
}