* {
  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;
  padding-top: 2%;
}

.content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 70%;
  height: 100%;
  margin-bottom: 30%;
  gap: 10px;
}

.input {
  background: url(./images/bg-input.webp) no-repeat center center;
  background-size: 100% 100%;
  background-position: center center;
  width: 90%;
  padding: 20px;
}

input {
  background: transparent;
  width: 100%;
  font-size: 2rem;
  text-align: center;
  color: white;
  border: none;
  outline: none;
}

input::placeholder {
  font-size: 1.2rem;
  font-weight: bold;
  color: #fff3d9;
}

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

.btn {
  width: 90%;
  margin-top: 15%;
  animation: scaleAnimation 1.5s ease-in-out infinite;
}

@media screen and (max-width: 768px) {
  .app {
    padding-top: 5%;
  }

  .content {
    margin-top: 10%;
  }

  .btn {
    gap: 20px;
  }

  .input {
    padding: 10px;
  }

  input {
    font-size: 1.6rem;
  }

  input::placeholder {
    font-size: 1rem;
    font-weight: bold;
    color: #fff3d9;
  }
}