body {
    font-family: Verdana, sans-serif;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: black;
    color: rgb(255, 255, 255);
}    
header {
    background-image: url('images/header_background.jpg');
    background-size: cover;
    background-position: center;
    color: rgb(255, 255, 255);
    text-align: center;
    padding: 40px 0;
    width: 100%;
}

header h1 {
    font-size: 2em;
    margin-bottom: 10px;
}

header p {
    font-size: 1.1em;
    font-style: italic;
}

.navbar {
    background-color: #333;
    overflow: hidden;
    width: 100%;
    text-align: center;
}

.navbar a {
    display: inline-block;
    color: white;
    text-align: center;
    padding: 14px 20px;
    text-decoration: none;
}

.navbar a:hover {
    background-color: #555;
}

.container {
    width: 80%;
    background-color: #111;
    padding: 10px;
    box-sizing: border-box;
}    

.container p {
    width: 80%;
    margin: auto auto auto auto;
}

@media screen and (max-width: 768px) {
    .container {
        width: 100%;
    }
}

h1 {
    color: #ffffff;
    text-align: center;
}

h2 {
    color: #aaa;
    border-bottom: 1px solid #555;
    padding-bottom: 5px;
    text-align: center;
}

h3 {
    color: #f8f8f8;
    text-align: center;
}

h4 {
    color: #f8f8f8;
    text-align: center;
}

p,
ol,
ul {
    text-align: center;
}

table {
    width: 80%;
    margin: 20px auto;
    border-collapse: collapse;
}

table,
th,
td {
    border: 1px solid #555;
    padding: 8px;
    text-align: left;
}

th {
    background-color: #333;
    color: #fff;
}

img {
    max-width: 80%;
    height: auto;
    display: block;
    margin: 20px auto;
    padding: 5px;
}

code {
    background-color: #333;
    color: #fff;
    padding: 2px 5px;
}

.red {
color: red;
}

.yellow {
color: yellow;
}

.green {
color: lightgreen;
}

.directory-container {
display: flex;
flex-wrap: wrap;
justify-content: center;
gap: 10px;
margin-top: 20px;
}

.action-button {
width: 380px;
height: 380px;
border: none;
background-color: #333;
overflow: hidden;
position: relative;
cursor: pointer;
}

.action-image {
width: 100%;
height: 100%;
margin: 0;
max-width: 100%;
padding: 0%;
transform: scale(1.035);
border: 0;
object-fit: cover;
transition: transform 0.3s ease;
}

.action-caption {
position: absolute;
bottom: 10px;
left: 0;
width: 100%;
color: rgb(255, 255, 255);
text-align: center;
padding: 0;
opacity: 0.9;
font-size: 1.5em;
}

.action-button:hover .action-image {
transform: scale(1.1);
}

iframe {
aspect-ratio: 16 / 9;
width: 50% !important;
}