/* ---------- mobile & tablette (only) -------- */

@media screen and (max-width: 1439px) {
    * {
        margin: 0;
        padding: 0;
    }

    #hamburger-icon {
        width: 3rem;
        height: 2rem;
        position: relative;
        -webkit-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
        -webkit-transition: .5s ease-in-out;
        -moz-transition: .5s ease-in-out;
        -o-transition: .5s ease-in-out;
        transition: .5s ease-in-out;
        cursor: pointer;
    }

    #hamburger-icon span {
        display: block;
        position: absolute;
        height: 6px;
        width: 100%;
        background: black;
        border-radius: 9px;
        opacity: 1;
        left: 0;
        -webkit-transform: rotate(0deg);
        -moz-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        transform: rotate(0deg);
        -webkit-transition: .25s ease-in-out;
        -moz-transition: .25s ease-in-out;
        -o-transition: .25s ease-in-out;
        transition: .25s ease-in-out;
    }

    /* Icon 3 */

    #hamburger-icon span:nth-child(1) {
        top: 0px;
    }

    #hamburger-icon span:nth-child(2),
    #hamburger-icon span:nth-child(3) {
        top: 12px;
    }

    #hamburger-icon span:nth-child(4) {
        top: 24px;
    }

    #hamburger-icon.open span:nth-child(1) {
        top: 18px;
        width: 0%;
        left: 50%;
    }

    #hamburger-icon.open span:nth-child(2) {
        -webkit-transform: rotate(45deg);
        -moz-transform: rotate(45deg);
        -o-transform: rotate(45deg);
        transform: rotate(45deg);
    }

    #hamburger-icon.open span:nth-child(3) {
        -webkit-transform: rotate(-45deg);
        -moz-transform: rotate(-45deg);
        -o-transform: rotate(-45deg);
        transform: rotate(-45deg);
    }

    #hamburger-icon.open span:nth-child(4) {
        top: 18px;
        width: 0%;
        left: 50%;
    }
}