.navbar-blur {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    margin-top: 0;
    z-index: 100;
    box-sizing: border-box;
    background-color: rgba(255, 255, 255, 0.558);
}

@media (max-width: 768px) {
    .navbar-blur {
        background-color: #fff;
    }
}