*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-size: 16px;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

.main-table {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.main-table td {
    padding: 20px;
}

.sidebar {
    background-color: gray;
    vertical-align: top;
}

.sidebar table {
    padding: 10px;
}

.sidebar td {
    padding: 10px;
}

.nav-link {
    color: white;
    font-size: large;
    font-family: arial, helvetica, sans-serif;
    font-weight: bold;
    text-decoration: none;
}

.nav-link:hover {
    text-decoration: underline;
}

.content {
    text-align: center;
    line-height: 1;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.site-title {
    font-size: 2.2em;
    color: red;
}

.site-subtitle {
    font-size: 1em;
}

.site-description {
    font-size: 1em;
    line-height: 1.6;
}

.announcement {
    font-size: 1.4em;
    font-family: arial black, arial, helvetica, sans-serif;
    font-weight: bold;
}

.small-text {
    font-size: small;
}

.section-header {
    font-size: 1.8em;
    color: red;
}

.article-link {
    font-size: 1.2em;
    font-family: arial, helvetica, sans-serif;
    color: #3366CC;
    font-weight: bold;
    text-decoration: none;
}

.article-link:hover {
    text-decoration: underline;
}

.highlight {
    color: red;
}

hr {
    width: 60%;
}

.new-badge {
    vertical-align: middle;
}

@media (max-width: 600px) {
    body {
        font-size: 18px;
    }

    .main-table td {
        padding: 15px;
    }

    .site-title {
        font-size: 2em;
    }

    .site-subtitle {
        font-size: 1em;
    }

    .site-description {
        font-size: 1em;
    }

    .announcement {
        font-size: 1.5em;
    }

    .section-header {
        font-size: 1.8em;
    }

    .article-link {
        font-size: 1.3em;
        display: inline-block;
        padding: 8px 0;
    }

    .small-text {
        font-size: 0.9em;
    }

    a {
        padding: 5px 0;
        display: inline-block;
    }
}