Cuckoo自定义css
底部信息：

<br><a href="https://creativecommons.org/licenses/by-nc-sa/4.0/deed.zh_CN" target="_blank"><img src="https://mirrors.creativecommons.org/presskit/icons/cc.png" alt="cc" style="width:17px;"><img src="https://mirrors.creativecommons.org/presskit/icons/by.png" alt="by" style="width:17px;"><img src="https://mirrors.creativecommons.org/presskit/icons/nc.png" alt="nc" style="width:17px;"><img src="https://mirrors.creativecommons.org/presskit/icons/sa.png" alt="sa" style="width:17px;"></a>

更多css：

/*背景*/ .background{background-attachment:fixed;background-position:0% 0%;background-size:cover;}/*右边栏展示图*/ .sidebar-info-bg{background-position:0% 30%;}/*右边栏背景图*/ .sidebar-module{background-image:url(/usr/themes/Cuckoo/assets/images/yousa.png);background-size:cover;}/*文章封面*/ .index-img{background-position:0% 20%;}/*文章卡片阴影*/ .mdui-card-media-covered, .index-img-media:hover .mdui-card-media-covered{background:rgba(0, 0, 0, .0);background-image:url(/usr/themes/Cuckoo/assets/images/0v0/4.png);background-size:cover;}/*导航栏背景*/ .drawer{background-image:url(/usr/themes/Cuckoo/assets/images/0v0/3.png);/*background-position:66% 3%;*/ background-size:cover;}/*页脚背景*/ footer{background:url(/usr/themes/Cuckoo/assets/images/0v0/4.jpg);background-position:52% 0%;background-size:cover;}/*夜间页脚字体颜色*/ .mdui-theme-layout-dark footer{color:#000;}.mdui-theme-layout-dark footer a{color:#000;}.mdui-theme-layout-dark footer a:hover{color:#ff4081}

设置外观css样式：
Cuckoo/includes/setting/header.php，顶部展示栏图像替换，Cuckoo/assets/images/yousa.png，图像方位调整26行插入width: ; top: ; right: ;。
1.png
背景：

.background{background-image:url("<?php setting('bgUrl', 'images/bg.jpg');?>");background-attachment:fixed;background-position:0% 0%;background-size:cover;}

导航栏背景：

<div class="mdui-drawer drawer" style="background-image: url(/usr/themes/Cuckoo/assets/images/0v0/3.png);background-position: 66% 3%;">

卡片阴影：

<div class="mdui-card-media-covered" style="background: rgba(0, 0, 0, .0);background-image: url(/usr/themes/Cuckoo/assets/images/0v0/4.png);background-size: cover;">