body {
    font-family: 'Be Vietnam Pro', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

@media (max-width: 768px) {
    h1 {
        font-size: 1.8rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    h3 {
        font-size: 1.4rem;
    }

    h5 {
        font-size: 1.2rem;
    }
}

.container-fluid {
    margin: 20px auto;
    padding: 0 15px;
}

.navbar {
    background-color: #0d4e50;
    padding: 10px 0;
}

.navbar-brand {
    color: #ecf0f1;
    font-weight: 600;
    font-size: 1.5rem;
    text-decoration: none;
    white-space: normal;
    word-wrap: break-word;
    max-width: 90%;
    text-align: center;
    margin: 0 auto;
    display: block;
}

.navbar-brand:hover {
    color: #ffffff;
}

@media (max-width: 576px) {
    .navbar-brand {
        font-size: 1.2rem;
        line-height: 1.3;
        padding: 0 15px;
    }
}

@media (min-width: 577px) and (max-width: 768px) {
    .navbar-brand {
        font-size: 1.4rem;
    }
}

footer {
    background-color: #0d4e50;
    color: #ecf0f1;
    padding: 15px 0;
    text-align: center;
    font-weight: 300;
}

.btn-primary {
    background-color: #0d4e50;
    border-color: #0d4e50;
    padding: 5px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #0d4e50;
    border-color: #0d4e50;
}