html {
	height: 100%;
  }
  body {
	margin:0;
	padding:0;
	font-family: sans-serif;
	background-image: linear-gradient(to to, #37ecba 0%, #72afd3 100%);

  }
  
  .login-box {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 400px;
	padding: 40px;
	transform: translate(-50%, -50%);
	background: rgba(0,0,0,.5);
	box-sizing: border-box;
	box-shadow: 0 15px 25px rgba(0,0,0,.6);
	border-radius: 10px;
  }
  
  .login-box h2 {
	margin: 0 0 30px;
	padding: 0;
	color: #fff;
	text-align: center;
  }
  
  .login-box .user-box {
	position: relative;
  }
  
  .login-box .user-box input {
	width: 100%;
	padding: 10px 0;
	font-size: 16px;
	color: #fff;
	margin-bottom: 30px;
	border: none;
	border-bottom: 1px solid #fff;
	outline: none;
	background: transparent;
  }
  .login-box .user-box label {
	position: absolute;
	top:0;
	left: 0;
	padding: 10px 0;
	font-size: 16px;
	color: #fff;
	pointer-events: none;
	transition: .5s;
  }
  
  .login-box .user-box input:focus ~ label,
  .login-box .user-box input:valid ~ label {
	top: -20px;
	left: 0;
	color: #30cfd0;
	font-size: 12px;
  }
   
  

   button {
	background: transparent;
	border: none;
	margin-left: 90px;
	padding: 0;
	color: #fff;
	text-align: center;
  }
  
  .mansion-hedding{
	color: #fff;
  }
  textarea{
	background-color: transparent;
	color: #fff;
  }

  .login-box form button {
	position: relative;
	display: inline-block;
	padding: 10px 20px;
	color: #30cfd0;
	font-size: 16px;
	text-decoration: none;
	text-transform: uppercase;
	overflow: hidden;
	transition: .5s;
	margin-top: 40px;
	letter-spacing: 4px
  }
  
  .login-box button:hover {
	background: #30cfd0;
	border: transparent;
	color: #fff;
	border-radius: 5px;
	box-shadow: 0 0 5px #30cfd0,
				0 0 25px #30cfd0,
				0 0 50px #30cfd0,
				0 0 100px #30cfd0;
  }
  
  .login-box button span {
	position: absolute;
	display: block;
  }
  
  .login-box button span:nth-child(1) {
	top: 0;
	left: -100%;
	width: 100%;
	height: 2px;
	background: linear-gradient(90deg, transparent, #30cfd0);
	animation: btn-anim1 1s linear infinite;
  }
  
  @keyframes btn-anim1 {
	0% {
	  left: -100%;
	}
	50%,100% {
	  left: 100%;
	}
  }
  
  .login-box button span:nth-child(2) {
	top: -100%;
	right: 0;
	width: 2px;
	height: 100%;
	background: linear-gradient(180deg, transparent, #30cfd0);
	animation: btn-anim2 1s linear infinite;
	animation-delay: .25s
  }
  
  @keyframes btn-anim2 {
	0% {
	  top: -100%;
	}
	50%,100% {
	  top: 100%;
	}
  }
  
  .login-box button span:nth-child(3) {
	bottom: 0;
	right: -100%;
	width: 100%;
	height: 2px;
	background: linear-gradient(270deg, transparent, #30cfd0);
	animation: btn-anim3 1s linear infinite;
	animation-delay: .5s
  }
  
  @keyframes btn-anim3 {
	0% {
	  right: -100%;
	}
	50%,100% {
	  right: 100%;
	}
  }
  
  .login-box button span:nth-child(4) {
	bottom: -100%;
	left: 0;
	width: 2px;
	height: 100%;
	background: linear-gradient(360deg, transparent, #30cfd0);
	animation: btn-anim4 1s linear infinite;
	animation-delay: .75s
  }
  
  @keyframes btn-anim4 {
	0% {
	  bottom: -100%;
	}
	50%,100% {
	  bottom: 100%;
	}
  }