body {
    font-family: 'Source Sans Pro', sans-serif;
    color: #333;
    background-color: #f9f9f9;
}

.bg-wood {
    background-color: #DEB887;
}

.bg-brown {
    background-color: #8B4513;
}

.bg-white {
    background-color: #ffffff;
}

.text-center {
    text-align: center;
}

.scroll-to-top {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    line-height: 40px;
    color: white;
    background-color: brown;
    text-align: center;
    position: fixed;
    bottom: 20px;
    right: 20px;
    text-decoration: none;
}

.scroll-to-top:hover {
    color: #DDD;
}