body{
	margin: 0;
	padding: 0;
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 100vh;
	font-family: 'Roboto Slab', sans-serif;
	background: linear-gradient(to bottom, #ffffff, #ffffff, #a6d0e6);
}
.main{
	width: 350px;
	height: 380px;
	background: #3a9ccf;
	overflow: hidden;
	
	border-radius: 10px;
	box-shadow: 5px 20px 50px rgba(0, 0, 0, 0.2);
}
#chk{
	display: none;
}
.signup{
	position: relative;
	width:100%;
	height: 100%;
}
.logo{
	display:block;
	margin-left: auto;
	margin-right: auto;
	padding: 30px;
}
label{
	color: #fff;
	font-size: 2.3em;
	justify-content: center;
	display: flex;
	margin: 60px;
	font-weight: bold;
	cursor: pointer;
	transition: .5s ease-in-out;
}
input{
	width: 60%;
	height: 20px;
	background: #fff;
	justify-content: center;
	display: flex;
	margin: 20px auto;
	border-radius: 5px;
	
	border: 1px solid transparent;
	border-top: none;
	border-bottom: 1px solid #DDD;
	box-shadow: inset 0 1px 2px rgba(0,0,0,.39), 0 -1px 1px #FFF, 0 1px 0 #FFF;
	outline: 0;
	padding: 10px 10px;
}
button{
	width: 67%;
	height: 40px;
	margin: 10px auto;
	justify-content: center;
	display: block;
	color: #fff;
	background: #3a9ccf;
	font-size: 1em;
	font-weight: bold;
	margin-top: 20px;
	outline: none;
	border: none;
	border-radius: 5px;
	transition: .2s ease-in;
	cursor: pointer;
}
button:hover{
	background: #60c0f1;
}
.login{
	height: 460px;
	background: #fff;
	border-radius: 60% / 10%;
	transform: translateY(-180px);
	transition: .8s ease-in-out;
	padding-top: 180px;
}
.login label{
	color: #3a9ccf;
	transform: scale(.6);
}

#chk:checked ~ .login{
	transform: translateY(-500px);
}
#chk:checked ~ .login label{
	transform: scale(1);	
}
#chk:checked ~ .signup label{
	transform: scale(.6);
}