Basic Multicollapse Navbox

<div style="width: 100%; text-align: center;">
{| style="width: 100%;"
|-
| <div>Header</div>
|-
| <div style="display:inline-table;">{{Collapse|text="[ Ex1 ]"|style="table-layout: fixed; margin-bottom: 0.3rem; border-bottom: 1px solid #ddd;" darkstyle="border-color: #2c2c2e;"}}
  | Example
{{Endcollapse}}</div>
<div style="display:inline-table;">{{Collapse|text="[ Ex2 ]"|style="table-layout: fixed; margin-bottom: 0.3rem; border-bottom: 1px solid #ddd;" darkstyle="border-color: #2c2c2e;"}}
  | Example
{{Endcollapse}}</div>
<div style="display:inline-table;">{{Collapse|text="[ Ex3 ]"|style="table-layout: fixed;"}}
  | Example
{{Endcollapse}}</div>
|}
</div>