JSFiddle - React, Tailwind, and code Playground
HTML
<form method="post" action="****" name="loginform">
<span style="white-space:nowrap">
<label for="login_input_username" style="vertical-align: bottom">Gebruikersnaam</label>
<input id="login_input_username" style="vertical-align: bottom" type="text" name="****" required="">
</span>
<label for="login_input_password">Wachtwoord</label>
<input id="login_input_password" type="password" name="****" autocomplete="off" required="" style="background: #2f2f2f url(" test.png")="" no-repeat;"="">
<input style="display: inline;" type="image" name="login" value="Log in" src="http://ebiz.sfn.org/PersonifyEbusiness/Portals/_default/Skins/SfNSiteCore/images/ui/iconLinked.gif">
</form>
CSS
body
{
background-color:#000000;
color:#ffffff;
}