.site-watermark{position:fixed;inset:0;top:50%;left:50%;transform:translate(-50%,-50%);width:min(460px,60vw);height:min(540px,65vh);object-fit:contain;opacity:.07;pointer-events:none;user-select:none;z-index:0}
body>.header,body>header,body>main,body>footer{position:relative;z-index:1}
@media(max-width:540px){.site-watermark{width:66vw;height:70vh;opacity:.055}}