Code:
<form action="login.php?{vb:raw session.sessionurl}do=login" method="post">
<div class="input-container">
<div id="username-container">
<input name="vb_login_username" type="text" id="username" placeholder="Username" required/>
</div>
<div id="password-container">
<input name="vb_login_password" type="password" id="password" placeholder="Password" required/>
</div>
</div>
<div class="options">
<div class="left">
<span class="remember-me">Remember my password</span>
<div class="checkbox">
<input type="checkbox" id="remember-me" name="cookieuser" value="1" />
<label for="remember-me"></label>
</div>
</div>
<div class="right"><button class="btn-s1 right button grey green-hover button-7">Sign In</button></div>
<div class="clear"></div>
</div>
<input type="hidden" name="s" value="{vb:raw session.sessionhash}" />
<input type="hidden" name="securitytoken" value="{vb:raw bbuserinfo.securitytoken}" />
<input type="hidden" name="do" value="login" />
<input type="hidden" name="vb_login_md5password" />
<input type="hidden" name="vb_login_md5password_utf" />
</form>