model output
LLaMA 4 Scout

Only CSS: Joint Animation
A 0.72T 0.31
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>Animation</title>
7    <style>
8        .bar {
9            position: absolute;
10            top: 50%;
11            left: 50%;
12            transform: translate(-50%, -50%);
13            width: 100px;
14            height: 20px;
15            background-color: #2196F3;
16            border-radius: 10px;
17        }
18        .animate {
19            animation: rotate 2s linear infinite;
20        }
21        @keyframes rotate {
22            0% {
23                transform: translate(-50%, -50%) rotate(0deg);
24            }
25            100% {
26                transform: translate(-50%, -50%) rotate(360deg);
27            }
28        }
29    </style>
30</head>
31<body>
32    <div class="bar animate"></div>
33</body>
34</html>