venom/tpl/admin/login.php

<login>
    <div id="login-background"></div>
    <form id="login" novalidate method="POST" action="/admin/api/login">
        <img class="logo" alt="Be Careful" src="/theme/admin/images/logo.svg">
        <p class="error-message hide">Login Failed</p>
        <input type="hidden" name="REDIRECT_TO" value="NO">
        <div class="input-group">
            <input id="username" name="USERNAME" required>
            <label for="username">Username</label>
            <span class="error">Username is required</span>
        </div>
        <div class="input-group">
            <input id="password" required name="PASSWORD" type="password">
            <label for="password">Password</label>
            <span class="error">Password is required</span>
        </div>
        <button class="btn btn--primary">
            <span class="btn-ripple"></span>
            <span class="btn__content">Login</span>
        </button>
        <a href="">Forgotten Password? [not active!]</a>
    </form>
</login>