<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!------ Include the above in your HEAD tag ---------->
<!DOCTYPE html>
<html lang="es">
<head>
<title>Formulario de sesion</title>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.1.0/css/all.css">
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.1.0/css/v4-shims.css">
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
</head>
<body>
<div id="form">
<div id="content">
<center>
<div class="icon">
<i class="material-icons">account_circle</i>
<h4>LOGIN IN</h4>
</div>
</center>
<form action="" method="POST" id="formu">
<span><i class="fas fa-user"></i> <input type="text" name="user" placeholder="Usuario" required/></span><br>
<input type="password" name="pass" placeholder="Password" required/>
<center><button type="submit">INGRESAR</button></center>
</form>
</div>
</div>
</body>
</html>
body{
background:url('https://www.tuexperto.com/wp-content/uploads/2017/10/fondo-de-pantalla-paisaje.jpg');
background-size: cover;
background-repeat:no-repeat;
}
h4{
color:white;
}
.icon i{
color:white;
font-size:120px;
cursor:pointer;
}
#form{
margin: auto;
background:#eee;
width:380px;
display: flex;
margin-top:5%;
border-radius:5px;
box-shadow:0 0 3px 3px white;
background:rgba(0,0,0,0.7);
}
#form #content{
margin:20px;
}
#formu{
margin-top:-30px;
}
input{
-webkit-transition: border-color .15s ease-in-out,-webkit-box-shadow .15s ease-in-out;
transition: border-color .15s ease-in-out,-webkit-box-shadow .15s ease-in-out;
-o-transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out,-webkit-box-shadow .15s ease-in-out;
outline: 0;
-webkit-box-shadow:none;
box-shadow:none;
border: none;
border-bottom: 1px solid #ced4da;
-webkit-border-radius: 0;
border-radius: 0;
-webkit-box-sizing: content-box;
box-sizing: content-box;
background-color: transparent;
height:45px;
margin-top:45px;
width:340px;
border-bottom:2px solid white;
color:white;
}
input:hover{
border-bottom:1px solid white;
}
#form #content button{
-webkit-box-shadow: 0 2px 5px 0 rgba(0,0,0,.16), 0 2px 10px 0 rgba(0,0,0,.12);
box-shadow: 0 2px 5px 0 rgba(0,0,0,.16), 0 2px 10px 0 rgba(0,0,0,.12);
padding: .84rem 2.14rem;
font-size: .99rem;
-webkit-transition:color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,-webkit-box-shadow .15s ease-in-out;
transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,-webkit-box-shadow .15s ease-in-out;
-o-transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out,-webkit-box-shadow .15s ease-in-out;
margin: .375rem;
border: 0;
-webkit-border-radius: .125rem;
border-radius: .125rem;
cursor: pointer;
text-transform: uppercase;
white-space: normal;
word-wrap: break-word;
color:#fff;
background-color:#007bff!important;
margin-top:40px;
width:100%;
}
