body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: #f0f0f0;
}

header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1em 0;
}

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

header nav ul li {
    display: inline;
}

header nav ul li a {
    color: white;
    text-decoration: none;
    padding: 0.5em 1em;
    transition: background-color 0.3s;
}

header nav ul li a:hover {
    background-color: #555;
}

.content {
    flex: 1;
    padding: 2em;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1em;
}

.skills-list {
    list-style-type: none;
    padding: 0;
}

.skills-list li {
    margin-bottom: 0.5em;
    background: #e0e0e0;
    padding: 0.5em;
    border-radius: 5px;
}

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

.gallery img {
    width: calc(33.333% - 20px); /* 3 images per row on desktop */
    margin: 10px;
    border: 2px solid #ddd;
    border-radius: 4px;
    transition: transform 0.3s;
}

.gallery img:hover {
    transform: scale(1.05);
}

/* Responsive styles for mobile */
@media screen and (max-width: 768px) {
    header nav ul li {
        display: block;
        text-align: center;
    }

    header nav ul li a {
        display: block;
        padding: 0.5em 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .gallery img {
        width: 100%; /* Full width on mobile */
        margin: 5px 0;
    }

    .content {
        padding: 1em;
    }
}