body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    text-align: center;
    padding: 20px;
    background-color: #4CAF50;
    color: white;
    margin: 0;
    width: 100%;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    padding: 20px;
}

.okvir {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin: 20px;
    padding: 20px;
    width: 90%;
    max-width: 1000px;
    flex-grow: 1;
}

.okvir h2 {
    color: #4CAF50;
    font-size: 1.5em;
    margin-top: 0;
}

.okvir h3 {
    font-size: 1.2em;
    margin-top: 20px;
    color: #555;
}

.okvir p {
    font-size: 1em;
    line-height: 1.6;
    color: #555;
}

.okvir p + p {
    margin-top: 10px;
}

h2, h3 {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.okvir {
    flex: 1 1 300px;
    max-width: 700px;