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

* {
  box-sizing: border-box;
}

:root {
  --body-bg: steelblue;
  --container-bg: rgba(0, 0, 0, 0.4);
}

body {
  font-family: "Muli", sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  height: 100vh;
  margin: 0;
  background-color: var(--body-bg);
  color: #ffffff;
}

.container {
  background-color: var(--container-bg);
  padding: 20px 40px;
  border-radius: 5px;
}

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

.container a {
  text-decoration: none;
  color: lightblue;
}

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

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

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

.btn {
  cursor: pointer;
  display: inline-block;
  width: 100%;
  background-color: lightblue;
  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 label {
  position: absolute;
  top: 15px;
  left: 0;
}

.form-control label span {
  display: inline-block;
  font-size: 18px;
  min-width: 5px;
  transition: transform 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);
}

/* The Modal (background) */
.modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: none; /* Enable scroll if needed */
  background-color: rgb(0, 0, 0); /* Fallback color */
  background-color: rgba(0, 0, 0, 0.4); /* Black w/ opacity */
}

/* Modal Content/Box */
.modal-content {
  background-color: #fefefe;
  margin: 15% auto; /* 15% from the top and centered */
  padding: 20px;
  border: 1px solid #888;
  min-width: 90%; /* Could be more or less, depending on screen size */
}

/* The Close Button */
.close {
  color: #aaa;
  float: right;
  font-size: 20px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: black;
  text-decoration: none;
  cursor: pointer;
}