@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;700&display=swap");
* {
  box-sizing: border-box;
}
body {
  font-family: "Poppins", sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}

.bg {
  background: #333;
  position: absolute;
  top: -30px;
  left: -30px;
  width: calc(100vw + 60px);
  height: calc(100vh + 60px);
  z-index: -1;
}

h1 {
  color: #f6f7d7;
}

.site {
  color: #ff165d;
}

.introduce.true {
  color: #88ff00;
  text-decoration: underline;
  transition: all 0.5s ease-out;
}

.introduce.false {
  color: #FF9A00;
  text-decoration: line-through;
  transition: all 0.5s ease-out;
}

.form-container {
  width: 400px;
  display: flex;
  position: relative;
}

.form-container input {
  border: 2px solid rebeccapurple;
  font-size: 1rem;
  padding: 1rem 0;
  font-weight: 700;
  width: 100%;
  color: #ff165d;
  background: #333;
  text-align: center;
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
}
.form-container input:focus {
  outline: 0;
}

.btn-ok {
  border: 2px solid rebeccapurple;
  background-color: #333;
  color: #f6f7d7;
  padding: 1.25rem 2rem;
  border-top-right-radius: 10px;
  border-bottom-right-radius: 10px;
}

.btn-ok:focus {
  outline: 0;
}
.btn-ok:hover {
  background-color: rgb(85, 41, 129);
}
.btn-ok:active {
  transform: scale(0.98);
}

.popup-container {
  background-color: rgba(0, 0, 0, 0.3);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  /* display: flex; */
  display: none;
  align-items: center;
  justify-content: center;
}

.popup {
  background: #3ec1d3;
  border-radius: 5px;
  box-shadow: 0 15px 10px 3px rgba(0, 0, 0, 0.1);
  padding: 20px;
  text-align: center;
}

.popup button {
  cursor: pointer;
  background-color: #333;
  color: #f6f7d7;
  border: 1px solid rebeccapurple;
  margin-top: 20px;
  padding: 12px 20px;
  font-size: 16px;
  border-radius: 5px;
}

.popup button:active {
  transform: scale(0.98);
}
.popup button:focus {
  outline: 0;
}