.right-content {
    background-color: #fff;
    margin: 0 auto;
    padding: 20px 30px
}

.main-content {
    text-align: justify;
    border-top: 1px dashed #333;
}

.main-title {
    font-size: 24px;
    padding:10px 0;
}
.article-header{
    margin-bottom:10px;
}