用户:攸萨/样式styles.css

/* 背景主机：随内容高度自动伸缩，作为背景的定位基准 */
.wiki-bg-host {
    position: relative;
}
/* 背景容器：绝对定位，完全撑满主机 */
.wiki-bg-fixed {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
    overflow: hidden;
}
/* 图片填满容器，随内容高度自动伸缩 */
.wiki-bg-fixed img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
/* 透明度选项：{{Test|opacity=数值}} */
.wiki-bg-op-10 { opacity: 0.1; }
.wiki-bg-op-20 { opacity: 0.2; }
.wiki-bg-op-30 { opacity: 0.3; }
.wiki-bg-op-40 { opacity: 0.4; }
.wiki-bg-op-50 { opacity: 0.5; }
.wiki-bg-op-60 { opacity: 0.6; }
.wiki-bg-op-70 { opacity: 0.7; }
.wiki-bg-op-80 { opacity: 0.8; }
.wiki-bg-op-90 { opacity: 0.9; }
.wiki-bg-op-100 { opacity: 1; }