<!--此处修改主题透明度（主页面）-->
#home {
    margin: 0 auto;
    width: 65%;
    min-width: 950px;
    background-color: rgba(255, 255, 255, 0.3);
    padding: 30px;
    margin-top: 50px;
    margin-bottom: 50px;
    box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}


<!--此处自定义背景图片-->
body {
background: url(https://owf7pjfxd.bkt.clouddn.com/18-2-8/70588419.jpg) no-repeat fixed;
    background-size: cover;
}


<!--此处修改主题透明度（侧边栏）-->
.newsItem, .catListEssay, .catListLink, .catListNoteBook, .catListTag, .catListPostCategory, .catListPostArchive, .catListImageCategory, .catListArticleArchive, .catListView, .catListFeedback, .mySearch, .catListComment, .catListBlogRank, .catList, .catListArticleCategory {
    background: rgba(255, 255, 255, 0);
    margin-bottom: 35px;
    word-wrap: break-word;
}