body{
    font-family: sans-serif;
	animation: 60s ease-in-out infinite color-change;
}
@keyframes color-change {
  0% {
    background-color: teal;
  }
  20% {
    background-color: gold;
  }
  40% {
    background-color: indianred;
  }
  60% {
    background-color: violet;
  }
  80% {
    background-color: green;
  }
  100% {
    background-color: teal;
  }
}
.login-box{
    width: 320px;
    height: 420px;
    background: rgba(0, 0, 0, 0.1);
    color: #fff;
    transform: translate(-50%,-50%);
    box-sizing: border-box;
    padding: 40px 30px 20px 30px;
	border:1px solid white;
	box-shadow: 0 15px 25px rgba(0,0,0, 0.5);
	border-radius: 10px;
	position: absolute;
	top: 50%;
	left: 50%;
}
h1{
    margin: 0;
    margin-top: 20px;
    padding: 0 0 40px;
    text-align: center;
    font-size: 22px;
}
.login-box input{
    width: 100%;
    margin-bottom: 20px;
}
::placeholder { /* Chrome, Firefox, Opera, Safari 10.1+ */
  color: #fff;
  opacity: 1; /* Firefox */
}
.login-box input[type="text"], input[type="password"]
{
    border: none;
    border-bottom: 1px solid #fff;
    background: transparent;
    outline: none;
    height: 40px;
    color: #fff;
    font-size: 15px;
}
.login-box input[type="submit"]
{
    border: none;
    outline: none;
    height: 40px;
    background: #1c8adb;
    color: #fff;
    font-size: 18px;
    border-radius: 20px;
}
.login-box input[type="submit"]:hover
{
    cursor: pointer;
    background: #39dc79;
    color: #000;
}
.login-box a{
    text-decoration: none;
    font-size: 14px;
    color: #fff;
}
.login-box a:hover
{
    color: #39dc79;
}