body {
      background-color: #f8f9fa;
    }
    header, footer {
      text-align: center;
    }
	header {
	  background-image: url("zaglavlje.jpg");
	  background-size: cover; /* Da se slika prilagodi veličini headera */
	  background-repeat: no-repeat; /* Da se slika ne ponavlja */
	  color: #fff; /* Boja teksta, prilagodite po potrebi */
	  padding: 1rem 0;
	}
    footer {
      background-color: #212529;
      color: #fff;
      padding: 1rem 0;
      margin-top: 2rem;
    }
    /* Kontejner za kartice - koristimo flex layout */
    .cards-container {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 15px;
      padding: 20px;
    }
    /* Svaka kartica ima fiksnu veličinu 400x400px i centralizirani sadržaj */
    .custom-card {
      width: 400px;
      height: 400px;
      display: flex;
      flex-direction: column;
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
      border: none;
      overflow: hidden;
    }
    .custom-card .card-header {
      text-align: center;
      font-weight: bold;
      background-color: #f1f1f1;
      padding: 0.5rem;
    }
    .custom-card .card-body {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 1rem;
      overflow: auto;
    }
    /* Posebna stilizacija za iframe unutar kartica */
    .custom-card iframe {
      width: 100%;
      height: 100%;
      border: none;
    }
    /* Stil za canvas – centriramo ga unutar kartice */
    .custom-card canvas {
      max-width: 100%;
      height: auto;
	  }
	  
	/* Stilizacija sata i datuma */
	#clock-container {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	padding: 20px;
	}

	#clock {
	font-size: 3rem;
	font-weight: bold;
	color: #ff3d00;
	text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
	margin-bottom: 10px;
	}
	
	#date {
	font-size: 1.5rem;
	color: #555;
	font-weight: 500;
	}

	.custom-card .card-body {
    overflow: hidden;
}