model output
Claude Sonnet 4.6

CSS Spinners
A 0.89T 0.30
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>Loading Animation</title>
7<style>
8  * {
9    margin: 0;
10    padding: 0;
11    box-sizing: border-box;
12  }
13
14  body {
15    width: 100%;
16    height: 100vh;
17    background: white;
18  }
19
20  .top-section {
21    width: 100%;
22    height: 32%;
23    background-color: #e8431a;
24    display: flex;
25    align-items: center;
26    justify-content: center;
27    position: relative;
28  }
29
30  .spinner {
31    width: 30px;
32    height: 30px;
33    border: 3px solid transparent;
34    border-top-color: rgba(0,0,0,0.25);
35    border-right-color: rgba(0,0,0,0.25);
36    border-radius: 50%;
37    animation: spin 1s linear infinite;
38    position: absolute;
39    top: 50%;
40    left: 50%;
41    transform: translate(-50%, -50%);
42  }
43
44  @keyframes spin {
45    0% {
46      transform: translate(-50%, -50%) rotate(0deg);
47    }
48    100% {
49      transform: translate(-50%, -50%) rotate(360deg);
50    }
51  }
52</style>
53</head>
54<body>
55  <div class="top-section">
56    <div class="spinner"></div>
57  </div>
58</body>
59</html>