body {
    background-color: #1a1a1a;
    color: #e0e0e0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

.jumbotron {
    background-color: #101010;
    color: #00ffcc;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    padding: 30px;
}

.footer {
    background-color: #101010;
    color: #00ffcc;
    padding: 20px;
    border-top: 1px solid #333;
    transition: background-color 0.3s, color 0.3s;
}

.list-inline {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

.list-inline > li {
    display: inline-block;
}

.list-inline > li:not(:last-child) {
    margin-right: 30px;
}

.dropdown-menu {
    background-color: #101010;
    color: #00ffcc;
    border: 1px solid #333;
    border-radius: 5px;
}

.dropdown-menu > li > a {
    color: #00ffcc;
    padding: 10px 20px;
    display: block;
    transition: background-color 0.3s;
}

.dropdown-menu > li > a:hover, .dropdown-menu > li > a:focus {
    background-color: #006666;
}

.dropdown-toggle::after {
    color: #00ffcc;
}

.btn-primary {
    background-color: #101010;
    border-color: #00ffcc;
    color: #00ffcc;
    border-radius: 5px;
    transition: background-color 0.3s, border-color 0.3s;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: #006666;
    border-color: #00ffcc;
}

.btn-primary:active, .btn-primary:not(:disabled):not(.disabled):active:focus {
    background-color: #005555;
    border-color: #00cc99;
}