Click to get a fullscreen login form.
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title></title>
<link rel="stylesheet" href="style.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css">
<style type="text/css">
*{
font-family: "montserrat",sans-serif;
}
body{
margin: 0;
padding: 0;
background: #333;
}
.login-box{
position: absolute;
top: 0;
left: -100%;
width: 100%;
height: 100vh;
background-image: linear-gradient(45deg,#9fbaa8,#31354c);
transition: 1s;
}
.login-form{
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
color: white;
text-align: center;
}
.login-form h1{
font-weight: 400;
margin-top: 0;
}
.txtb{
display: block;
box-sizing: border-box;
width: 240px;
background: #ffffff28;
border: 1px solid white;
padding: 10px 20px;
color: white;
outline: none;
margin: 10px 0;
border-radius: 6px;
text-align: center;
}
.login-btn{
width: 240px;
background: #2c3e50;
border: 0;
color: white;
padding: 10px;
border-radius: 6px;
cursor: pointer;
}
.hide-login-btn{
color: #000;
position: absolute;
top: 40px;
right: 40px;
cursor: pointer;
font-size: 24px;
opacity: .7;
}
.show-login-btn{
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
color: white;
border: 2px solid;
padding: 10px;
cursor: pointer;
}
.showed{
left: 0;
}
</style>
</head>
<body>
<div class="show-login-btn"><i class="fas fa-sign-in-alt"></i> Show Login Form</div>
<div class="login-box">
<div class="hide-login-btn"><i class="fas fa-times"></i></div>
<form class="login-form" action="index.html" method="post">
<h1>Welcome</h1>
<input class="txtb" type="text" name="" placeholder="Username">
<input class="txtb" type="password" name="" placeholder="Password">
<input class="login-btn" type="submit" name="" value="Login">
</form>
</div>
<script type="text/javascript">
$(".show-login-btn").on("click",function(){
$(".login-box").toggleClass("showed");
});
$(".hide-login-btn").on("click",function(){
$(".login-box").toggleClass("showed");
});
</script>
</body>
</html>