How we make error/invalid/empty/ alert message show in red box like mentioned in image.
I am using this code but not using java… Becouse I have bit knowledge about java …
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>Client Log In</title>
<Style>body{background-color:#f9f9f9}body,input,button{color:#444;font:12px "Lucida Sans Unicode","Lucida Grande",sans-serif}a{color:#2e6e9e}#login{position:absolute;top:50%;left:50%;margin:-230px 0 0 -258px;width:500px;background:#fff}#login{border:5px
solid #5e9dcd;-moz-border-radius:3px;-webkit-border-radius:3px;border-radius:3px;-moz-box-shadow:0 2px 5px #4e707c;-webkit-box-shadow:0 2px 5px #4e707c;box-shadow:0 2px 5px #4e707c}#login a:hover{color:#111}#login
h1{margin-bottom:24px;padding:12px
23px;color:#fff;font-size:14px;border:0;border-bottom:1px solid #007dab;background-color:#5e9dcd;text-shadow:0 1px 0 #007dab}#login
p{margin:10px
25px}#login
p.register{position:absolute;top:-40px;right:0;margin:0;line-height:30px;font-size:11px}#login
div{margin:5px
25px;padding:4px;text-align:right;background-color:#eee;-moz-border-radius:3px;-webkit-border-radius:3px;border-radius:3px}#login
label{float:left;padding-left:10px;line-height:30px}#login
input.field{padding:4px;width:280px;font-size:12px;border:1px
solid #c1c1c1;box-shadow:0 1px 4px rgba(0, 0, 0, 0.16) inset;-webkit-box-shadow:0 1px 4px rgba(0, 0, 0, 0.16) inset;-moz-box-shadow:0 1px 4px rgba(0, 0, 0, 0.16) inset}#login
div.submit{margin:0
25px;text-align:left;background:none}#login div.submit
label{display:inline;float:none;font-size:11px}#login
button{float:right;padding:0
30px;height:30px;line-height:30px;text-align:center;font-size:12px;color:#fff;text-shadow:0 1px 0 #007dab;cursor:pointer;border:0;background:#5e9dcd;-moz-border-radius:50px;-webkit-border-radius:50px;border-radius:50px}#login
p.forgot{text-align:right;font-size:11px}#login
p.back{padding:2px
0;text-align:left;font-size:11px;border-top:1px solid #eee}#login
#message{position:relative;display:block;margin:0
25px 10px;padding:8px
8px 8px 30px;text-align:left}#login #message .ui-icon{position:absolute;top:50%;left:7px;margin-top:-8px}#footer{position:absolute;bottom:10px;left:0;width:100%;color:#666;font-size:11px;text-align:center}</style>
</head>
<body>
<div id="notify-top"><ul></ul></div>
<div id="notify-right"><ul></ul></div>
<div id="notify-overlay" class="ui-widget-overlay"></div>
<form id="login" method="post" action=" ">
<h1>Welcome! Please enter your credentials to log in</h1>
<div>
<label for="client">Client ID or E-mail:</label>
<input class="field required" type="text" name="client">
</div>
<div>
<label for="password">Password:</label>
<input class="field required" type="password" name="password">
</div>
<p class="forgot">
<a href="/lostpassword.html" title="Forgot your password?">Forgot your password?</a>
</p>
<div class="submit">
<label> </label>
<button type="submit">Log in</button>
</div>
<p class="back"></p>
</form>
<div id="footer">
© Copyright 2003 - 2018 - All rights reserved. </div>
</body>
</html>