Indicate the loading state of a component or page with spinners.
<div class="spinner-material text-primary">
<svg viewBox="25 25 50 50">
<circle cx="50" cy="50" r="20" fill="none" />
</svg>
</div>
<div class="spinner-material text-primary">
<svg viewBox="25 25 50 50">
<circle cx="50" cy="50" r="20" fill="none" />
</svg>
</div>
<div class="spinner-material text-secondary">
<svg viewBox="25 25 50 50">
<circle cx="50" cy="50" r="20" fill="none" />
</svg>
</div>
<div class="spinner-material text-tertiary">
<svg viewBox="25 25 50 50">
<circle cx="50" cy="50" r="20" fill="none" />
</svg>
</div>
<div class="spinner-material text-success">
<svg viewBox="25 25 50 50">
<circle cx="50" cy="50" r="20" fill="none" />
</svg>
</div>
<div class="spinner-material text-info">
<svg viewBox="25 25 50 50">
<circle cx="50" cy="50" r="20" fill="none" />
</svg>
</div>
<div class="spinner-material text-warning">
<svg viewBox="25 25 50 50">
<circle cx="50" cy="50" r="20" fill="none" />
</svg>
</div>
<div class="spinner-material text-danger">
<svg viewBox="25 25 50 50">
<circle cx="50" cy="50" r="20" fill="none" />
</svg>
</div>
<div class="spinner-material text-light">
<svg viewBox="25 25 50 50">
<circle cx="50" cy="50" r="20" fill="none" />
</svg>
</div>
<div class="spinner-material text-dark">
<svg viewBox="25 25 50 50">
<circle cx="50" cy="50" r="20" fill="none" />
</svg>
</div>
<div class="spinner-material spinner-rainbow">
<svg viewBox="25 25 50 50">
<circle cx="50" cy="50" r="20" fill="none" />
</svg>
</div>
<div class="spinner-material spinner-material-sm text-primary">
<svg viewBox="25 25 50 50">
<circle cx="50" cy="50" r="20" fill="none" />
</svg>
</div>
<div class="spinner-border text-primary"></div>
<div class="spinner-border text-secondary"></div>
<div class="spinner-border text-tertiary"></div>
<div class="spinner-border text-success"></div>
<div class="spinner-border text-info"></div>
<div class="spinner-border text-warning"></div>
<div class="spinner-border text-danger"></div>
<div class="spinner-border text-light"></div>
<div class="spinner-border text-dark"></div>
<div class="spinner-grow text-primary"></div>
<div class="spinner-grow text-secondary"></div>
<div class="spinner-grow text-tertiary"></div>
<div class="spinner-grow text-success"></div>
<div class="spinner-grow text-info"></div>
<div class="spinner-grow text-warning"></div>
<div class="spinner-grow text-danger"></div>
<div class="spinner-grow text-light"></div>
<div class="spinner-grow text-dark"></div>
<div class="spinner-border spinner-border-sm"></div>
<div class="spinner-grow spinner-grow-sm"></div>