body {
    width: 50%;
    margin: 0 auto;
    background: #151515; /* Dark background */
    font-family: "Space Mono", monospace;
    font-size: 19px;
    color: #eaeaea; /* Light gray text for better readability */
    line-height: 2.0;
    display: table;
}

html, body {
    height: 100%;
}

@media screen and (max-width: 1300px) {
    body {
        width: 90%;
    }
}

h1 {
    font-size: 2.5em;
    margin: 0;
    padding: 0;
    color: #ff4d00; /* Bright orange-red for headings */
}

header {
    padding: 0 20px 20px 0;
    display: flex;
    align-items: center;
}

ul {
    padding-left: 0;
    margin-top: 0;
    list-style: none;
    display: flex;
}

nav ul li {
    margin-right: 15px;
}

.current-link {
    margin-left: auto;
    font-weight: bold;
}

a {
    color: #ff4d00; /* Bright orange-red links */
    text-decoration: underline;
}

hr {
    height: 4px;
    background: #ff4d00; /* Bright orange-red horizontal rule */
    opacity: 1; /* Fully opaque */
    border: none;
}

#header_block {
    margin-left: 5%;
}

#banner {
    height: auto;
    width: 35%;
}

#content {
    height: 100%;
    display: table-cell;
    vertical-align: middle;
    padding: 0;
    margin: 0;
}