model output
Claude Sonnet 4.6

Single Element Spinner
A 0.89T 0.28
1<!DOCTYPE html>
2<html lang="en">
3<head>
4<meta charset="UTF-8">
5<meta name="viewport" content="width=device-width, initial-scale=1.0">
6<title>Spinning Circle</title>
7<style>
8  * {
9    margin: 0;
10    padding: 0;
11    box-sizing: border-box;
12  }
13
14  body {
15    background-color: #0d0d0d;
16    width: 100vw;
17    height: 100vh;
18    overflow: hidden;
19  }
20
21  .spinner {
22    position: absolute;
23    left: 213px;
24    top: 120px;
25    width: 30px;
26    height: 30px;
27    border: 2px solid transparent;
28    border-top-color: #00aadd;
29    border-right-color: #00aadd;
30    border-radius: 50%;
31    animation: spin 1s linear infinite;
32  }
33
34  @keyframes spin {
35    0% {
36      transform: rotate(0deg);
37    }
38    100% {
39      transform: rotate(360deg);
40    }
41  }
42</style>
43</head>
44<body>
45  <div class="spinner"></div>
46</body>
47</html>