body, html {
    height: 100%;
    margin: 0;
    padding: 0;
    /*background-color: black; /* Ensure background covers entire screen */
    overflow: hidden; /* Hide scrollbars */
  }

  .watermark {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('M3_icon.svg'); /* Replace with your SVG file name */
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain; /* Use 'cover' if you want it to fill the entire screen */
    opacity: 0.2; /* Adjust opacity as needed */
    z-index: -1; /* Ensure it's behind other elements */
  }
  #countdown {
    position: fixed; /* Fixed positioning to always stay in viewport */
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* Center countdown in viewport */
    text-align: center;
  }
  
  #countdown-heading, #time {
    font-family: 'Arial Black', Gadget, sans-serif; /* Choose a bold font */
    color: rgb(208, 15, 15);
    text-shadow: 0 0 20px #ca8383; /* White text shadow for glow effect */
  }
  
  #countdown-heading {
    font-size: calc(5px + 2vw); /* Smaller than the countdown size */
    margin-bottom: 0.5em; /* Space between heading and countdown */
  }
  
  #time {
    font-size: calc(10px + 8vw + 2vh); /* Dynamic size using calc */
    line-height: 1.1; /* Line height for countdown */
  }
  
  @media (orientation: landscape) {
    #countdown-heading {
      /* Smaller font-size in landscape to ensure it fits with the timer */
      font-size: calc(5px + 2vh);
    }
  
    #time {
      font-size: calc(10px + 8vh + 2vw); /* Adjust for landscape */
    }
  }
  
  @media (max-width: 600px) {
    #countdown-heading {
      font-size: calc(5px + 5vw); /* Larger font size for smaller devices */
    }
  
    #time {
      font-size: calc(10px + 20vw + 6vh); /* Adjust for smaller screens */
    }
  }