<form>
  <label for="name">姓名：</label>
  <input type="text" id="name" name="name"><br><br>
  
  <label for="email">邮箱：</label>
  <input type="email" id="email" name="email"><br><br>
  
  <label for="password">密码：</label>
  <input type="password" id="password" name="password"><br><br>
  
  <input type="submit" value="提交">
</form>

label {
  display: inline-block;
  width: 100px;
  text-align: right;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 200px;
}