:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --background-color: #ecf0f1;
    --text-color: #34495e;
    --highlight-color: #e74c3c;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    margin: 0;
    padding: 0;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    padding: 0 10px;
}

.content-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1em 0;
    cursor: pointer;
}

.content-image:hover {
    opacity: 0.9;
}

.youtube-thumbnail {
    width: 25%;
    height: auto;
    margin-bottom: 10px;
}


.content-image:hover {
    opacity: 0.9;
}

header {
    background: var(--secondary-color);
    color: #ffffff;
    padding: 10px 0;
    min-height: auto;
    border-bottom: var(--primary-color) 2px solid;
}

header a {
    color: #f0f0f0;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 16px;
}

header ul {
    padding: 0;
    margin: 0;
    list-style: none;
    overflow: hidden;
}

header li {
    float: left;
    display: inline;
    padding: 0 10px;
}

header #branding {
    float: left;
}

header #branding h1 {
    margin: 0;
    font-size: 1.5em;
}

header nav {
    float: right;
    margin-top: 0;
}

header .highlight, header .current a {
    color: var(--primary-color);
    font-weight: bold;
}

header a:hover {
    color: var(--highlight-color);
    transition: 0.3s;
}

.post {
    background: #fff;
    border-radius: 5px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    transition: all 0.3s cubic-bezier(.25,.8,.25,1);
}

.post:hover {
    box-shadow: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);
}

.post h2 {
    margin-top: 0;
    margin-bottom: 1px;
    color: var(--secondary-color);
    font-size: 1.3em;
    margin-bottom: 5px;
}

.post h2 a {
    color: var(--secondary-color);
    text-decoration: none;
}

.post h2 a:hover {
    color: var(--primary-color);
}

.post-meta {
    background: var(--secondary-color);
    color: #ffffff;
    padding: 5px 10px;
    border-radius: 3px;
    font-size: 0.8em;
    display: inline-block;
    margin-bottom: 10px;
}

.summary h3 {
    color: var(--primary-color);
    border-bottom: 1px solid #ccc;
    padding-bottom: 1px;
    margin-top: 15px;
    margin-bottom: 1px;
    font-size: 1.1em;
}

.summary p {
    margin-top: 0;
    margin-bottom: 10px;
}

.summary ol {
    padding-left: 20px;
    margin-top: 5px;
    margin-bottom: 5px;
    font-size: 0.9em;
    line-height: 1.3;
}

.summary ol li {
    margin-bottom: 3px;
}

.pagination {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.pagination a {
    background: var(--secondary-color);
    color: #f0f0f0;
    padding: 10px 15px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.pagination a:hover {
    background: var(--primary-color);
}

footer {
    background: var(--secondary-color);
    color: #ffffff;
    text-align: center;
    padding: 20px;
    margin-top: 20px;
}

a {
    color: #f0f0f0;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}


.rss-feed {
    margin-top: 20px;
    padding: 10px;
    background-color: #f8f8f8;
    border-radius: 5px;
}
.rss-feed a {
    color: #333;
    text-decoration: none;
    font-weight: bold;
}
.rss-feed a:hover {
    text-decoration: underline;
}
.rss-icon {
    width: 36px;
    height: 14px;
    margin-right: 5px;
    vertical-align: middle;
}


img.youtube-thumbnail {
    width: 50% !important;
    height: auto !important;
    margin-bottom: 10px !important;
    display: block !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

@media(max-width: 768px) {
    header #branding,
    header nav,
    header nav li {
        float: none;
        text-align: center;
        width: 100%;
    }

    .container {
        width: 95%;
    }
}