Como especificar um pouco de cartas em Inputfield no CSS
<input maxlength="25" placeholder="name" />
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<input maxlength="25" placeholder="name" /><form method="post">
<label for="myNumber">My Number:</label>
<input type="number" maxlength="9" required
oninput="javascript: if (this.value.length > this.maxLength) this.value = this.value.slice(0, this.maxLength);" >
<br><br>
<input type="submit" value="Submit">
</form><input maxlength="10" /><input type="text" pattern="\d*" maxlength="4"><input type="text" maxlength="4"/>
<input type="text" id="textbox" name="textbox" maxlength="50" />