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rever-silly
/
index.html

<!DOCTYPE html>
<html>
    <head>
        <style>
          :root
          {
            --letter-space:10px;
            --size:70px;
            --visiable:0.8;
            --background-angle:90deg;
          }
          body
          {
            font-family:"Microsoft YaHei";
            background-image:
              linear-gradient(var(--background-angle),rgba(255,180,200,1),rgba(255,200,180,0.6));
          }
          h1
          {
            text-align:center;
            color:rgba(0,0,0,var(--visiable));
            margin-top:200px;
            font-size:var(--size);
            letter-spacing:var(--letter-space);
          }
        </style>
        <script>
          dscrolled=32;
          scrolled=0;
          let scrolledM=500;
          window.addEventListener
          ("wheel",
          function(e)
          {
            let evt = e||window.event;
            evt.preventDefault();
            if (evt.deltaY>0)
            {
              dscrolled+=5;
            }
            else if(evt.deltaY<0)
            {
              dscrolled+=-5;
            }
          },
          {passive: false});
          setInterval(
          function()
          {
            if(dscrolled>0)
            {
              scrolled=Math.min(scrolledM,scrolled+dscrolled);
              dscrolled--;
            }
            if(dscrolled<0)
            {
              scrolled=Math.max(scrolled+dscrolled,0);
              dscrolled++;
            }
            document.documentElement.style.setProperty("--letter-space",10+scrolled/3+"px");
            document.documentElement.style.setProperty("--size",70+scrolled*0.15+"px");
            document.documentElement.style.setProperty("--visiable",1-scrolled/scrolledM);
            // document.documentElement.style.setProperty("--background-angle",scrolled*6+"deg");
          },10);
        </script>
    </head>
    <body>
        <meta name="author" content="reverSilly,Li_po2007@163.com"/>
        <title>hello from reverSilly</title>
        <h1 title="hi~">hello</h1>
    </body>
</html>