body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    text-align: center;
    margin-top: 50px;
}

nav ul {
    list-style: none;
    padding: 0;
    background: #007acc;
    margin: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0;
}

nav ul li a {
    display: block;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
}

nav ul li a:hover {
    background: #005b99;
}

h1 {
    color: #007acc;
}

.form-select-sm {
    padding-top: 0.15rem !important;
    padding-bottom: 0.15rem !important;
    font-size: 0.8rem;
}