* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
  color: #000;
}

body {
  font-family: "Roboto", sans-serif;
  background-color: #f5f5f5;
  display: flex;
  justify-content: center;
  align-items: center;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

.app {
  background: url(./images/bg.webp) no-repeat center center;
  background-size: 100% 100%;
  background-position: center bottom;
  height: 100vh;
  max-width: 450px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  gap: 20px;
}

.content {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-content: center;
  width: 100%;
  height: 100%;
  padding: 0 5% 10%;
}

.btn {
  width: 100%;
  display: flex;
  margin-bottom: 20%;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.btn a {
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn a img {
  width: 90%;
}

.text {
  width: 100%;
}

@keyframes scaleAnimation {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

.btn a img {
  animation: scaleAnimation 1.5s infinite ease-in-out;
}

@media screen and (max-width: 768px) {
  .popup {
    width: 90%;
  }

  .popup .close {
    width: 15px;
    height: 15px;
    font-size: 1.5rem;
    padding: 10px;
  }

  .description {
    font-size: 1.5rem;
  }

  .title-popup {
    font-size: 2rem;
  }
  .btn-km img {
    width: 100%;
  }
}