Searching for a form template turns up thousands of them and most are the same twenty lines with different class names. The differences that matter are not visual. They are whether the labels are real labels, whether the controls carry names, whether groups are grouped, and whether the thing has any opinion at all about where the submission goes. Those four questions sort the useful templates from the ones you will end up rewriting.
The four things a template must already get right
A label element per control, bound with for and id, and not a placeholder doing the job of one. A name attribute on every control you intend to receive, since a control without a name is silently left out of the submission. A fieldset and legend around each group of radios or checkboxes, so the group has an accessible name. And a method of post on the form, because the default is get and a message does not belong in a URL. A template missing any of these is not saving you work, it is deferring it.
What a template will always be missing
The action attribute. It is the one part nobody else can fill in, because it depends entirely on your hosting: a serverless function, a server of your own, or a hosted endpoint. Templates leave it empty or point it at a placeholder, and a form that posts to an empty action reloads the page it is on and appears to do nothing. If you take one habit from this page, make it checking the action before you call a form finished.
Styling is the easy half, so do not pick on it
It is tempting to choose a template by how it looks, and looks are the part you can change in five minutes with your own CSS. Structure is the part you would have to rewrite. Pick the template with the right elements and restyle it, rather than the pretty one built out of divs with click handlers, which will fight your keyboard users and your own stylesheet at the same time.
Naming, so you can find what you meant
The same thing is written every possible way round, and none of the phrasings means anything different: the phrase order changes and the markup does not. What does differ is the scope you are being offered. Some templates are a whole page including layout and a stylesheet, some are the form element on its own. The form on its own is usually what you want, because your page already has a layout and merging somebody else's is more work than writing the fields.
Questions people ask about html form template
Should a template include CSS?
A little, as a demonstration, and kept separate so you can throw it away. What you do not want is markup whose structure only makes sense with the stylesheet it shipped with, because then you have adopted both.
Are there parts of a template worth keeping even if I restyle everything?
Yes: the element choices, the label bindings, the names, the fieldsets and the input types. That is the whole of the value. Everything visual is yours to replace.
Can I use a template with a framework?
Yes, and the same rules hold. A framework changes how the markup is produced, not what good markup is: labels bound to controls, names on the controls, groups in fieldsets, and an action that points at something able to answer.