* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Fredoka One', cursive;
}

body {
  height: 100vh;
  background: url("img/bag\ game\ play.png") no-repeat center center;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  text-align: center;
}

.title {
  font-size: 48px;
  color: #a05612;
  text-shadow: 4px 4px 0px #ffd36b;
  margin-bottom: 20px;
}

.character {
  width: 320px;
  max-width: 80%;
  margin: 20px auto;
  display: block;
}

.btn-img {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: block;
  margin: 15px auto;
}

.btn-img img {
  width: 280px;
  max-width: 80%;
  transition: transform 0.15s ease;
}

.btn-img:active img {
  transform: scale(0.95);
}

.popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  display: none;
  justify-content: center;
  align-items: center;
}

.popup-content {
  position: relative;
}

.popup-img {
  width: 500px;
  max-width: 90%;
}

.back-btn {
  position: absolute;
  bottom: -60px;
  left: 0;
  background: none;
  border: none;
  cursor: pointer;
}

.back-btn img {
  width: 120px;
  transition: transform 0.15s ease;
}

.back-btn:active img {
  transform: scale(0.95);
}

@media (max-width: 600px) {
  .title {
    font-size: 32px;
  }

  .btn-img img {
    width: 220px;
  }

  .popup-img {
    width: 90%;
  }
}