<legno-text-input value="John" label="Name" />
WARNING
When using plain HTML you need to toggle these css classes manually on the root element:
legno-text-input--has-value
adds floating label supportlegno-text-input--invalid
shows invalid state
<div class="legno-text-input legno-text-input--has-value">
<input type="text" value="John" />
<label>Name</label>
</div>