styles.css

@import url('https://fonts.googleapis.com/css?family=Raleway');

* {
    box-sizing: border-box;
    font-family: Raleway;
}

body {
    margin: 0;
    padding: 0;
    background-color: rgb(219, 215, 215);
}

.navbar {
    background-color:rgb(110, 107, 107);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-links > ul {
    display: flex;
    justify-content: flex-start;
    padding: 0;
}

.navbar-links ul li {
    text-align: center;
    list-style: none;
    padding: 0.6rem;
    width: 100%;
}

.navbar-links ul li a {
    text-decoration: none;
    color: white;
}

.navbar-links ul li:hover {
    background-color:rgb(161, 156, 156);
}

.toggle-button {
    position: absolute;
    top: 0.85rem; /* top and right for the toggle-button will override the flex of its container.  */
    right: 0.5rem;
    display: none;;
    flex-direction: column;
    justify-content: space-between;
    height: 1rem;
    width: 1.6rem;
}

.toggle-button .bar {
    background-color: white;
    height: 2px;
    width: 100%; /* 100% width of the container, which is toggle-button */
    padding: 0.1rem;
    border-radius: 0.1rem;
}

.brand-title {
    font-size: 1.5rem;
    margin: 0.5rem;
}

@media(max-width: 300px){
    .toggle-button{
        display: flex;
    }

    .navbar-links {
        width: 100%;
        display: none;
    }

    .navbar-links.active {
        display: flex;
    }

    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar-links ul {
        flex-direction: column;
        margin: 0;
        width: 100%;
    }

    .navbar-links ul li {
        padding: 0.2rem;
    }
}