body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

header {
    background: #333;
    color: #fff;
    padding-top: 30px;
    min-height: 70px;
    border-bottom: #77aaff 3px solid;
}

header h1 {
    float: left;
    margin: 0;
    padding: 0;
}

header nav {
    float: right;
    margin-top: 10px;
}

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

header nav ul li {
    display: inline;
    margin-left: 20px;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

section {
    padding: 20px 0;
}

section h2 {
    color: #333;
    margin-bottom: 20px;
}

section p, section ul {
    font-size: 1.1em;
}

.gallery {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.gallery img {
    width: 30%;
    margin-bottom: 20px;
    border: 2px solid #ddd;
    border-radius: 5px;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    margin-top: 20px;
}