hamburger.css

.hamburger {
    display: none;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    -webkit-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
    background-color: #101010;
}

.nav-link:hover{
    color: #482ff7;
}

@media only screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 9.4rem;
        flex-direction: column;
        background-color: #ce5151c8;
        width: 100%;
        border-radius: 0px;
        text-align: center;
        transition: 0.3s;
        box-shadow:
            0 10px 27px rgba(0, 0, 0, 0.05);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 0 0;
    }

    .hamburger {
        display: block;
        cursor: pointer;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        -webkit-transform: translateY(8px) rotate(45deg);
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        -webkit-transform: translateY(-8px) rotate(-45deg);
        transform: translateY(-8px) rotate(-45deg);
    }
}