body {
    padding-top: 70px;
    padding-bottom: 100px;
}

span {
    margin: 0 10px
}

#top_navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1030;
}

#top_navbar .navbar-brand:nth-child(2) {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    margin: 0;
    padding: 0;
}

#top_navbar .navbar-brand {
    margin-right: 0;
}

/* Footer layout */
.app-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    padding: 15px 20px;
    background-color: #ECECEC;
    text-align: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .app-footer {
        flex-direction: column;
        gap: 15px;
    }
}