Exemplo de um formulário de cadastro coom bootstrap 5
Abaixo um exemplo de como fazer um pequeno formulário de cadastro - #form . No modelo foram utilizados apenas alguns campos. O #bootstrap permite que todos os componentes de formulário de uma página seja estilizados.
Na página da codumentação https://getbootstrap.com/docs/5.1/forms/overview/ você pode encontrar mais detalhes de como utilizar estes elementos de formulário.
<!DOCTYPE html>
<html lang="pt-br" dir="ltr">
<head>
<meta charset="utf-8">
<title></title>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.9.1/font/bootstrap-icons.css">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
</head>
<body>
<!-- created by @BrCodeSnippets -->
<div class="container mt-3 pt-3">
<form class="row g-3">
<div class="col-12">
<h1 class="text-center fw-bolder">Form bootstrap 5</h1>
</div>
<div class="col-12">
<div class="bg-secondary opacity-75 bg-gradient p-3 text-center mb-2 text-white fw-bolder fs-3">
Cadastre-se
</div>
<hr>
</div>
<div class="col-12">
<label for="inputName" class="form-label">Name</label>
<input type="text" class="form-control" id="inputName" placeholder="Name">
</div>
<div class="col-md-6">
<label for="inputEmail4" class="form-label">Email</label>
<input type="email" class="form-control" id="inputEmail4" placeholder="Informe seu e-mail">
</div>
<div class="col-md-6">
<label for="inputPassword4" class="form-label">Password</label>
<input type="password" class="form-control" id="inputPassword4" placeholder="Informe uma senha segura">
</div>
<div class="col-12">
<label for="inputAddress" class="form-label">Address</label>
<input type="text" class="form-control" id="inputAddress" placeholder="1234 Main St">
</div>
<div class="col-md-6">
<label for="inputCity" class="form-label">City</label>
<input type="text" class="form-control" id="inputCity">
</div>
<div class="col-md-4">
<label for="inputState" class="form-label">State</label>
<select id="inputState" class="form-select">
<option selected>Choose...</option>
<option>...</option>
</select>
</div>
<div class="col-md-2">
<label for="inputZip" class="form-label">CEP</label>
<input type="text" class="form-control" id="inputZip">
</div>
<div class="col-12">
<div class="form-check">
<input class="form-check-input" type="checkbox" id="gridCheck">
<label class="form-check-label" for="gridCheck">
Concordo com os termos.
</label>
</div>
</div>
<div class="col-12 text-end">
<button type="submit" class="btn btn-success w-100 bg-gradient p-3 text-center mb-2 text-white fw-bolder fs-3">Salvar</button>
<a href="#" class="text-primary shadow-sm">Precisa de ajuda? Clique aqui</a>
</div>
</form>
</div>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script>
</body>
</html>