text inside button space css code example

Example: how to add vertical space between two text boxes in html

Use <br> tag after your input tags 
ex: <input type="text" id="" placeholder="Enter Name"><br><br>
OR
Place each input tag into separate div tags.
ex: <div class="form-control"> //using class is optional,I use this for bootstrap 
        <input type="text" id="" placeholder="Enter Name">
    </div>