login.php

<style>
    
.form-signin {
  width: 100%;
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
}
.form-signin .checkbox {
  font-weight: 400;
}
.form-signin .form-control {
  position: relative;
  box-sizing: border-box;
  height: auto;
  padding: 10px;
  font-size: 16px;
}
.form-signin .form-control:focus {
  z-index: 2;
}
.form-signin input[type="email"] {
  margin-bottom: -1px;
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.form-signin input[type="password"] {
  margin-bottom: 10px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}
</style>
<div class="container">
    <form class="form-signin" method="post">
        <img class="mb-4" src="<?php echo $global['aVideoURL']; ?>videos/userPhoto/logo.png" alt="">
        <h1 class="h3 mb-3 font-weight-normal">Please sign in</h1>
        <label for="inputUser" class="sr-only">User address</label>
        <input type="text" id="inputUser" name="inputUser" class="form-control" placeholder="User address" required autofocus>
        <label for="inputPassword" class="sr-only">Password</label>
        <input type="password" id="inputPassword" name="inputPassword" class="form-control" placeholder="Password" required>
        <button class="btn btn-lg btn-primary btn-block" type="submit">Sign in</button>
    </form>
</div>