The 'install' and 'installed' buttons are supposed to look different,
and to show the 'disabled' look on already installed modules.
<t t-if="record.summary.raw_value"><field name="summary"/><br/></t>
<i><field name="name" groups="base.group_no_one"/></i>
</p>
- <button type="object" name="button_immediate_install" states="uninstalled">Install</button>
- <button t-if="installed" disabled="disabled">Installed</button>
+ <a class="btn btn-default btn-sm" type="object" name="button_immediate_install" states="uninstalled">Install</a>
+ <a t-if="installed" class="btn btn-default btn-sm disabled" disabled="disabled">Installed</a>
</div>
</div>
</t>