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

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

body {
  font-family: "Roboto", sans-serif;
  background-color: #f5f5f5;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

.app {
  background: url(./images/bg.webp);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center top;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.content {
  height: 100%;
  width: 60%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border-radius: 100px;
  margin-top: 15%;
}

.btn {
  margin-top: 5%;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 50px;
}

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

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

.bg-qt {
  background: url(./images/bg-qt.webp);
  background-size: 100% 100%;
  width: 55%;
  padding: 30px 10px 80px;
  height: 30%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.colon {
  font-size: 7rem;
  font-weight: bold;
  color: #fff;
  margin: 0;
}

.countdown {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Arial, sans-serif;
  gap: 30px;
  width: 90%;
  height: 100%;
}

.time-block {
  border-radius: 30px;
  padding: 15px 0;
  text-align: center;
  height: 100%;
  width: 25%;
  background-color: #031700;
  border: 2px #063706 solid;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.number {
  font-size: 4rem;
  font-weight: bold;
  color: #fff;
  padding: 6px;
  border-radius: 10px;
}

.label {
  font-size: 2.5rem;
  color: #7bb17e;
  margin-top: 4px;
  font-weight: bold;
}

@media screen and (max-width: 768px) {
  .app {
    background: url(./images/bg-mb.webp);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center top;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
  }

  .content {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 50px;
    padding: 5%;
  }

  .btn {
    gap: 0;
    width: 100%;
    flex-direction: column;
  }

  .bg-qt {
    padding: 10px 10px 40px;
    width: 100%;
  }

  .countdown {
    gap: 10px;
    justify-content: space-between;
  }

  .number,
  .label {
    font-size: 1.4rem;
  }

  .time-block {
    width: 100%;
    border-radius: 10px;
  }
}