tabler/pages/_includes/cards/register.html

<form class="card" action="" method="post">
    <div class="card-body p-6">
        <div class="card-title">Create new account</div>

        <div class="mb-2">
            <label class="form-label">Name</label>
            <input type="text" class="form-control" placeholder="Enter name">
        </div>
        <div class="mb-2">
            <label class="form-label">Email address</label>
            <input type="email" class="form-control" placeholder="Enter email">
        </div>
        <div class="mb-2">
            <label class="form-label">Password</label>
            <input type="password" class="form-control" placeholder="Password">
        </div>
        <div class="mb-2">
            <label class="custom-control custom-checkbox">
                <input type="checkbox" class="custom-control-input"{{ site.base }}/>
                <span class="custom-control-label">Agree the <a href="terms.html">terms and policy</a></span>
            </label>
        </div>

        <div class="form-footer">
            <button type="submit" class="btn btn-primary btn-block">Create new account</button>
        </div>
    </div>
</form>

<div class="text-center text-muted">
    Already have account? <a href="{{ site.base }}/login.html">Sign in</a>
</div>