body{
    background-image: url("img/alliance.png");
    margin: 0 auto;


}


.center{
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 400px;
	background: white;
	border-radius: 10px;
    box-shadow: rgba(0, 0, 0, 0.25) 0px 54px 55px, rgba(0, 0, 0, 0.12) 0px -12px 30px, rgba(0, 0, 0, 0.12) 0px 4px 6px, rgba(0, 0, 0, 0.17) 0px 12px 13px, rgba(0, 0, 0, 0.09) 0px -3px 5px;
}

.center h1 {
    margin-top: 1em;
    margin-bottom: 1em;
    margin-left: 0;
    margin-right: 0;
	text-align: center;
	padding: 0 0 20px 0;
	border-bottom: 1px solid silver;
	
}

.center form {
	padding: 0 40px;
	box-sizing: border-box;
    
	
}

form .txt_field{
	position: relative;
	border-bottom: 2px solid #adadad;
	margin: 30px 0;
}

.txt_field input{
	width: 100%;
	padding: 0 5px;
	height: 40px;
	font-size: 16px;
	border: none;
	background: none;
	outline: none;
	
	
}


.txt_field label{
	position: absolute;
	top: 50%;
	left: 5px;
	color: #adadad;
	transform: translateY(-50%);
	font-size: 16px;
	pointer-events: none;
	transition: .5s;
	
}

.txt_field span::before{
	content: '';
	position: absolute;
	top: 40px;
	left: 0;
	width: 0%;
	height: 2px;
	background: #2691d9;
	transition: .5s;
	
}

.txt_field input:focus ~label,
.txt_field input:valid ~label{
	top: -5px;
	color: #2691d9;
	
	
}

.txt_field input:focus ~ span::before,
.txt_field input:valid ~ span::before{
	width: 100%;
	
	
}

input[type="submit"]{
	width: 100%;
	height: 50px;
	border: 1px solid;
	background: #2691d9;
	border-radius: 25px;
	font-size: 18px;
	color: #e9f4fb;
	font-weight: 700;
	cursor: pointer;
	outline: none;
	
}

input[type="submit"]:hover{
	border-color: #2691d9;
	transition: .5s;
}

.signup_link {
	margin: 30px 0;
	text-align: center;
	font-size: 16px;
	color: #666666;
	
}

.signup_link {
	color: #2691d9;
	text-decoration: none;
}
.signup_link a:hover{
	text-decoration: underline;
}