Shared note demo
This note was opened from a share link and is rendering inside Solaris, with the live widget below actually running. Math works too: $e^{i\pi}+1=0$.
<!doctype html><html><head><meta charset="utf-8"><style>
body{margin:0;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
font-family:system-ui,sans-serif;color:var(--color-text);background:var(--color-bg-alt)}
.n{font-size:40px;font-weight:800;color:var(--color-accent)}
button{border:0;border-radius:8px;padding:8px 16px;font-weight:600;cursor:pointer;color:#fff;background:var(--color-accent)}
</style></head><body>
<div class="n" id="n">0</div>
<button onclick="document.getElementById('n').textContent=++c">Count up</button>
<script>let c=0;</script>
</body></html>