body{
    font-family: Arial, sans-serif;
    background-color: #111;
    color: #f8f9fa;
    margin: 0;
}
.site-header{
    background-color: #000;
    color: #fff;
    padding: 15px 0;
    text-align: center;
}

.site-title{
    margin: 0;
    font-size: 2rem;
}

.intro{
    margin: 1.5rem;
}

.gallery figure{
    background-color: #1f1f1f;
    padding: 10px;
    border-radius: 4px;
    text-align: center;
    margin: 0;
}

.gallery img{
    margin-bottom: 6px;
}

#main-img img{
    display: block;
    margin: 15px auto;
    max-width: 100%;
}