/* General Body and Layout */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f9;
}

#presentation {
    text-align: center;
}

h1 {
    font-size: 2.5em;
    font-weight: bold;
    color: #333;
    text-align: center;
    margin-bottom: 0.2em;
}

h2 {
    font-size: 1.5em;
    font-weight: bold;
    border-bottom: 2px solid #000;
    padding-bottom: 0.2em;
    margin-top: 2em;
    margin-bottom: 1em;
}

h3 {
    font-size: 1.1em;
    margin: 1.5em 0 0.5em 0;
}

h3 strong {
    font-weight: bold;
}

ul {
    list-style-type: disc;
    padding-left: 20px;
    margin: 0;
}

ul li {
    font-size: 1em;
    margin-bottom: 0.5em;
}

.content {
    margin-top: 10%;
    padding: 0 20px;
}

/* Button styles */
.button-container {
    display: flex;
    gap: 20px;
    margin-top: 20px;
    justify-content: center; /* Center the button container */
}

.button {
    padding: 10px 20px;
    border: 2px solid #333;
    border-radius: 5px;
    background-color: transparent;
    color: #333;
    text-decoration: none;
    transition: background-color 0.3s, color 0.3s;
    cursor: pointer;
}

.button:hover {
    background-color: #333;
    color: #fff;
}