body {
    background-color: #dcdcdc;
    margin: 0;
    padding-top: 20px;
    font-family: Arial, sans-serif;
}

#main-wrapper {
    background-color: #ffffff; 
    padding: 20px 40px; 
    box-shadow: 0px 0px 10px rgba(0,0,0,0.1); 
    min-height: 100vh;    
}

ul.nav-list {
    list-style-type: none;
    margin: 0;
    padding: 0 0 20px 0;
    overflow: hidden;
}

ul.nav-list li {
    float: left;
}

ul.nav-list li a {
    display: block;
    color: #333;       
    text-align: center;
    padding: 10px 15px;
    text-decoration: none;
    font-weight: bold;
    font-size: 14px;
}

ul.nav-list li a:hover {
    background-color: #eee; 
    color: #000;
}

.section-title {
    font-size: 32px;
    color: #555;
    margin-top: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.small-caption {
    margin-top: 10px;
    font-weight: bold;
    color: #666;
}

.body-text {
    font-size: 12px; 
    line-height: 1.6;
    color: #777;
    text-align: justify;
}

.img-responsive {
    display: block;
    max-width: 100%;
    height: auto;
}