@media (max-width: 800px){
    
    header nav {
        display: none;
        position: absolute;
        top: 70px;
        background-color: #060606;
        width: 100%;
    }

    header nav li {
        display: block;
        text-align: center;
        margin-top: 10px;
        margin-bottom: 10px;
    }

    .menu-icon {
        display: block;
        color: white;
        font-size: 23px;
        margin-right: 20px;
        cursor: pointer;
    }
}

@media (min-width: 800px){
    header nav {
        display: block !important;
    }
}