:root {
  /* Variables de color */
  --primary-color: white;
  --background-color: rgba(0, 0, 0, 0.7);
  
  /* Variables de fuente */
  --font-family-main: 'KG Second Chances Sketch', sans-serif;
  --font-family-heading: 'KG Second Chances Solid', sans-serif;

  /* Tamaños de fuente */
  --font-size-heading-large: 60px;
  --font-size-heading-medium: 40px;
  --font-size-heading-small: 20px;

  --font-size-time-large: 120px;
  --font-size-time-medium: 80px;
  --font-size-time-small: 40px;

  /* Padding de travelDate */
  --padding-size-travelDate-large: 50px;
  --padding-size-travelDate-medium: 30px;
  --padding-size-travelDate-small: 20px;

  --background-image: url('https://images.pexels.com/photos/356079/pexels-photo-356079.jpeg') no-repeat center center fixed;
  --background-image-mobile: url('https://images.pexels.com/photos/356079/pexels-photo-356079.jpeg') no-repeat center center fixed;
}

body {
  font-family: var(--font-family-main);
  background: var(--background-image);
  background-size: cover;
  margin-top: 10%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--primary-color);
  text-align: center;
}

h1 {
  font-size: var(--font-size-heading-large);
  font-family: var(--font-family-heading);
}

#travelDate h1 {
  padding-top: var(--padding-size-travelDate-large);
}

.countdown {
  background-color: var(--background-color);
  padding: 50px;
  border-radius: 10px;
  width: 65%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.time {
  font-size: var(--font-size-time-large);
  padding-top: 50px;
}

@media (max-width: 768px) {
  body{
    margin-top: 5%;
    background: var(--background-image-mobile);
    background-size: cover;
  }

  .time {
    font-size: var(--font-size-time-small);
  }
  
  h1 {
    font-size: var(--font-size-heading-small);
  }

  #travelDate h1 {
    padding-top: var(--padding-size-travelDate-small);
  }

  .countdown {
    width: 90%;
  }
}

@media (min-width: 769px) and (max-width: 1200px) {
  body{
    margin-top: 5%;
    background: var(--background-image-mobile);
    background-size: cover;
  }

  .time {
    font-size: var(--font-size-time-medium);
  }
  
  h1 {
    font-size: var(--font-size-heading-medium);
  }

  #travelDate h1 {
    padding-top: var(--padding-size-travelDate-medium);
  }

  .countdown {
    width: 90%;
  }
}