E011 - alex1221/bootlint-customization GitHub Wiki
错误的:
<div class="form-group input-group">
<div class="input-group-addon">@</div>
<input class="form-control" type="email" placeholder="Enter nickname">
</div>正确的:
<div class="form-group">
<div class="input-group">
<div class="input-group-addon">@</div>
<input class="form-control" type="email" placeholder="Enter nickname">
</div>
</div>