@import url('https://fonts.googleapis.com/css2?family=Lobster&family=Muli&display=swap');

* {
  box-sizing:  border-box;
}
    
body{
    background-color: rgb(63, 142, 116);
    color: silver;
    font-family: 'Muli' ,sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow:hidden;
    margin: 0;
}

.container{
  background-color: rgba(0,0,0,0.4);
  padding: 20px 40px;
  border-radius: 5px;
}

.container h1 {
  text-align: center;
  margin-bottom: 30px;
}

.container a {
  text-decoration: none;
  color: rgb(81, 243, 208);
}

.btn {
  cursor: pointer;
  display: inline-block;
  width: 100%;
  background: rgb(204, 255, 204);
  padding: 15px;
  font-family: inherit;
  font-size: 16px;
  border: 0;
  border-radius: 5px;
}

.btn:focus {
  outline: 0;
}

.btn:active {
  transform: scale(0.98);
}

.text {
  margin-top: 30px;
}

.form-control {
  position: relative;
  margin: 20px 0 40px;
  width: 300px;
}

.form-control input {
  background-color: transparent;
  border: 0;
  border-bottom: 2px white solid;
  display: block;
  width: 100%;
  padding: 15px 0;
  font-size: 18px;
  color: aliceblue;
}

.form-control input:focus,
.focus-control input:valid {
  outline: 0;
  border-bottom-color: aqua;
}

.form-control label {
  position: absolute;
  top: 15px;
  left: 0;
  pointer-events: none;
}

.form-control label span {
  display: inline-block;
  font-size: 18px;
  min-width: 5px;
  transition: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.form-control input:focus + label span,
.form-control input:valid + label span {
  color:lightblue;
  transform: translateY(-30px);
}