* {
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}


@media (max-width: 768px) {

    header>section {
        background-size: 240px;
        display: none;
    }

    nav {
        background-image: none;
        border-radius: 0%;
        width: 100%;
        background-color: rgba(0, 0, 0, 0.336);
        height: 80px;
    }

    nav>a {
        background-color: blue;
        display: none;
    }

   

    #menuhambu {
        display: block;
        text-align: start;
        color: rgb(255, 255, 255);
        font-size: 3em;
    }

    

    main {
        background-image: block;
        border: block;
        background-color: rgba(0, 0, 0, 0.795);
    }

    #menorquecell {
        height: 100vh;
        border: none;
    }

    #aparte {
        height: 100vh;
        border: none;
        display: none;
    }

    #main {
        background-image: block;
        border: block;
        background-color: rgba(0, 0, 0, 0.795);

    }

}

@media (min-width: 769px) {
    #menuhambu {
        display: none;
    }

    main {
        opacity: 0.9;

    }

    #iconecell {
        display: none;
    }

}

@media (max-width: 579px) {
    header {
        display: none;
    }

    nav {
        background-image: none;
    }

    #menorquecell {
        display: none;
    }

    main {
        background-image: block;
    }


    #main {
        background-image: block;
    }


}