style.css

body {
    font-family: 'Montserrat', sans-serif;
    padding: 0px;
    margin: 0px;
}


/* navbar design */

nav {
    position: fixed;
    z-index: 950;
    width: 100vw;
    transition: all 0.3s;
    /* TODO: add background image and remove color */
    background-color: orange;
    padding: 20px 30px;
}

nav.sticky {
    padding: 15px 30px;
}

nav .nav-container {
    display: flex;
    flex-direction: horizontal;
    padding: 0px;
    font-size: 25px;
    width: calc(100% - 60px);
    justify-content: space-between;
}

nav .nav-container .logo {
    display: flex;
    padding-left: 0px;
    flex: 0.8;
}

.menu-btn {
    display: none;
}

nav .nav-container ul {
    list-style: none;
    display: flex;
    flex-direction: horizontal;
    justify-content: space-between;
    padding: 0px 0px;
    flex: 2;
    margin: 0px 0px;
    transition: all 0.3s;
}

nav .nav-container ul li {
    display: inline;
    padding: 0px 0px;
}


/* responsive design */

@media(max-width:1100px) {
    nav .nav-container {
        font-size: 20px;
    }
}

@media(max-width:870px) {
    nav .nav-container .directory {
        position: fixed;
        width: 100%;
        height: 100%;
        left: -100%;
        top: 0;
        padding-top: 80px;
        flex-direction: column;
        justify-content: space-around;
        /* TODO: change color */
        background-color: red;
        text-align: center;
    }
    nav .nav-container ul.active {
        left: 0;
    }
    .menu-btn {
        display: block;
        /* position: fixed;
        top: 20px;
        right: 30px; */
        z-index: 999;
    }
    .menu-btn i.active:before {
        content: "\f00d";
    }
}